Question 1

Versatile Construction Solutions

Accepted Answer

NOVASTAR™ Hydroxypropyl Starch Ether is engineered for versatile use across dry-mix building materials, including wall putty, tile adhesives, and various mortar systems.

Question 2

Key Product Features

Non-Toxic & Odorless
                                    Safe for all construction applications.

Cold Water Soluble
                                    Dissolves effortlessly for easy preparation.

Clear Solution
                                    Forms transparent viscous solution.

Enhanced Performance
                                    Improves workability and consistency.

Why Choose LANDU
                        
                        This high-performance additive is non-toxic, odorless, and available as a fine white or pale beige powder. It dissolves effortlessly in cold water, producing a clear or slightly translucent viscous solution. Such properties make NOVASTAR™ HPS an ideal choice for enhancing workability, water retention, and mix consistency in a wide variety of construction applications.

Reliable supply and timely delivery

Expert technical support

Rigorous quality control

Customized formulations

/* LANDU Trusted Partner Section */
.trusted-partner-section {
    width: 100%;
    background: linear-gradient(145deg, #f5fafa 0%, #e8f5f6 100%);
    padding: 75px 0;
    position: relative;
    overflow: hidden;
}

.trusted-partner-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: -10%;
    width: 30%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(13, 115, 119, 0.04) 0%, transparent 70%);
    transform: skewX(-15deg);
}

.partner-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 50px;
    position: relative;
    z-index: 1;
}

/* Section Header */
.partner-header {
    text-align: center;
    margin-bottom: 55px;
}

.partner-title {
    font-size: 2.6rem;
    font-weight: 700;
    line-height: 1.2;
    color: #0d3b3f;
    margin: 0;
}

.title-text {
    display: block;
    margin-bottom: 8px;
}

.title-highlight {
    display: block;
    background: linear-gradient(135deg, #0d7377 0%, #14a085 50%, #2bb3a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}

.title-location {
    display: block;
    font-size: 2.2rem;
    color: #2c6e6f;
    font-weight: 600;
}

/* Main Content */
.partner-content {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 15px 45px rgba(13, 115, 119, 0.12);
    border: 1px solid #e0f2f1;
    overflow: hidden;
}

.content-layout {
    display: flex;
    gap: 40px;
    align-items: stretch;
    padding: 40px;
}

/* Left Side: Product Information */
.product-info-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

/* Main Description Card */
.main-description-card {
    background: linear-gradient(135deg, #f8fcfd 0%, #e8f4f5 100%);
    border: 1px solid #d0f0fd;
    border-radius: 14px;
    padding: 22px;
    flex-shrink: 0;
}

.product-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.35rem;
    font-weight: 700;
    color: #0d7377;
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 0.9rem;
    color: #3d5a5c;
    font-weight: 500;
}

.main-description {
    font-size: 1.05rem;
    color: #3d5a5c;
    line-height: 1.6;
    margin: 0;
}

/* Properties Section */
.properties-section {
    background: #ffffff;
    border: 1px solid #e8f4f5;
    border-radius: 14px;
    padding: 22px;
    flex: 1;
}

.properties-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #0d3b3f;
    margin-bottom: 18px;
    position: relative;
    padding-left: 16px;
}

.properties-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    border-radius: 2px;
}

.properties-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.property-card {
    background: #f8fcfd;
    border: 1px solid #e0f2f1;
    border-radius: 10px;
    padding: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    transition: all 0.3s ease;
}

.property-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(13, 115, 119, 0.12);
    border-color: #b8e6d5;
    background: #ffffff;
}

.property-icon {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, #e0f7fa 0%, #d0f0fd 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.property-content {
    flex: 1;
}

.property-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: #0d3b3f;
    margin-bottom: 4px;
    line-height: 1.3;
}

.property-desc {
    font-size: 0.85rem;
    color: #3d5a5c;
    line-height: 1.4;
    margin: 0;
}

/* Right Side: Partnership Benefits */
.applications-section {
    flex: 0 0 46%;
    display: flex;
    flex-direction: column;
}

/* Partnership Card - Full Height */
.partnership-card {
    background: linear-gradient(135deg, #f8fcfd 0%, #e8f4f5 100%);
    border: 1px solid #d0f0fd;
    border-radius: 14px;
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.partnership-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-shrink: 0;
}

.partnership-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #e0f7fa 0%, #d0f0fd 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partnership-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #0d3b3f;
    margin: 0;
}

.partnership-description {
    font-size: 1.05rem;
    color: #3d5a5c;
    line-height: 1.6;
    margin-bottom: 24px;
    flex-shrink: 0;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1;
    justify-content: center;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #ffffff;
    border: 1px solid #e0f2f1;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(13, 115, 119, 0.12);
    border-color: #b8e6d5;
}

.benefit-dot {
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    border-radius: 50%;
    flex-shrink: 0;
}

.benefit-text {
    font-size: 0.95rem;
    color: #3d5a5c;
    line-height: 1.4;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .partner-container {
        padding: 0 40px;
    }
    
    .content-layout {
        gap: 35px;
        padding: 35px;
    }
}

@media (max-width: 1024px) {
    .trusted-partner-section {
        padding: 65px 0;
    }
    
    .partner-title {
        font-size: 2.3rem;
    }
    
    .title-location {
        font-size: 2rem;
    }
    
    .content-layout {
        flex-direction: column;
        gap: 28px;
    }
    
    .applications-section {
        flex: none;
        order: 1;
    }
    
    .product-info-section {
        order: 2;
        flex: none;
    }
    
    .properties-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 768px) {
    .trusted-partner-section {
        padding: 55px 0;
    }
    
    .partner-container {
        padding: 0 30px;
    }
    
    .partner-title {
        font-size: 2rem;
    }
    
    .title-location {
        font-size: 1.7rem;
    }
    
    .content-layout {
        padding: 28px;
        gap: 22px;
    }
    
    .product-info-section {
        gap: 18px;
    }
    
    .partnership-card {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .trusted-partner-section {
        padding: 45px 0;
    }
    
    .partner-container {
        padding: 0 20px;
    }
    
    .partner-title {
        font-size: 1.7rem;
    }
    
    .title-location {
        font-size: 1.5rem;
    }
    
    .content-layout {
        padding: 22px;
        gap: 18px;
    }
    
    .main-description-card,
    .properties-section,
    .partnership-card {
        padding: 20px;
    }
    
    .properties-grid {
        gap: 10px;
    }
    
    .property-card {
        padding: 14px;
    }
    
    .benefits-list {
        gap: 10px;
    }
    
    .benefit-item {
        padding: 10px 12px;
    }
}

NOVASTAR™ Hydroxypropyl Starch Ether Technical Data

Detailed Specifications

Item
                            Specifications

Appearance
                                
                                White or off-white powder

Moisture content %
                                
                                ≤10%

Ash
                                
                                ≤10%

pH value
                                
                                8.5-11

Hydroxypropyl Substitution Degree
                                
                                0.2-1.2

Viscosity (mPa·s)
                                
                                400-1,200 (5%)

Quality Assurance
                    
                    All technical specifications are verified through rigorous testing protocols and maintained consistently across production batches to ensure reliable performance in construction applications.

Product Samples

Technical Standards
                        Consistent quality backed by international testing protocols

Laboratory Tested
                                All parameters verified through advanced testing equipment

Quality Certified
                                ISO compliant manufacturing and quality control systems

Batch Consistency
                                Uniform specifications maintained across all production runs

/* NOVASTAR™ Technical Data Section */
.technical-data-section {
    width: 100%;
    background: linear-gradient(135deg, #f8fcfd 0%, #e8f5f6 100%);
    padding: 60px 0;
    position: relative;
}

.data-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Section Header */
.data-header {
    text-align: center;
    margin-bottom: 40px;
}

.data-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #0d3b3f;
    line-height: 1.3;
    margin: 0;
}

.title-gradient {
    background: linear-gradient(135deg, #0d7377 0%, #14a085 50%, #2bb3a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Main Content Layout */
.data-content {
    display: flex;
    gap: 0;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(13, 115, 119, 0.1);
    border: 1px solid #e0f2f1;
    overflow: hidden;
    min-height: 600px;
}

/* Left Column */
.left-content {
    flex: 1;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    justify-content: space-between;
    min-height: 600px;
}

/* Specifications Section */
.specifications-section {
    flex: 1;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.badge-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Specifications Table */
.specifications-table {
    background: #f8fcfd;
    border: 1px solid #e0f2f1;
    border-radius: 12px;
    overflow: hidden;
}

.table-header {
    display: flex;
    background: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    color: white;
    font-weight: 600;
    font-size: 1rem;
}

.header-item {
    flex: 1.2;
    padding: 16px 20px;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.header-specifications {
    flex: 1;
    padding: 16px 20px;
}

.table-body {
    display: flex;
    flex-direction: column;
}

.table-row {
    display: flex;
    border-bottom: 1px solid #e8f4f5;
    transition: all 0.3s ease;
}

.table-row:last-child {
    border-bottom: none;
}

.table-row:hover {
    background: #f0f9fa;
}

.row-item {
    flex: 1.2;
    padding: 16px 20px;
    border-right: 1px solid #e8f4f5;
    display: flex;
    align-items: center;
    gap: 10px;
}

.item-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #e0f7fa 0%, #d0f0fd 100%);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.item-name {
    font-size: 0.95rem;
    font-weight: 500;
    color: #0d3b3f;
    line-height: 1.3;
}

.row-specification {
    flex: 1;
    padding: 16px 20px;
    font-size: 0.95rem;
    color: #3d5a5c;
    font-weight: 500;
    display: flex;
    align-items: center;
}

/* Quality Note */
.quality-note {
    flex-shrink: 0;
    background: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    color: white;
    padding: 24px;
    border-radius: 12px;
}

.note-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.note-icon {
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.note-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
}

.note-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
    margin: 0;
}

/* Right Column */
.right-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 600px;
}

/* Product Samples Section */
.product-samples-section {
    flex: 1;
    display: flex;
    align-items: stretch;
}

.image-container {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.samples-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.image-container:hover .samples-image {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
}

.overlay-content {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(13, 115, 119, 0.9);
    backdrop-filter: blur(8px);
    color: white;
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.overlay-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Technical Standards */
.technical-standards {
    flex-shrink: 0;
    padding: 32px;
    background: #f8fcfd;
    border-top: 1px solid #e0f2f1;
}

.standards-header {
    margin-bottom: 20px;
}

.standards-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #0d3b3f;
    margin-bottom: 6px;
}

.standards-subtitle {
    font-size: 1.05rem;
    color: #3d5a5c;
    margin: 0;
}

.standards-grid {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.standard-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    background: #ffffff;
    border: 1px solid #e8f4f5;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.standard-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(13, 115, 119, 0.1);
    border-color: #b8e6d5;
}

.standard-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #e0f7fa 0%, #d0f0fd 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.standard-content {
    flex: 1;
    min-width: 0;
}

.standard-label {
    font-size: 1rem;
    font-weight: 600;
    color: #0d3b3f;
    display: block;
    margin-bottom: 4px;
}

.standard-desc {
    font-size: 0.9rem;
    color: #3d5a5c;
    line-height: 1.5;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .data-content {
        flex-direction: column;
        min-height: auto;
    }
    
    .left-content,
    .right-content {
        min-height: auto;
    }
    
    .right-content {
        order: 1;
    }
    
    .left-content {
        order: 2;
    }
    
    .product-samples-section {
        min-height: 300px;
    }
    
    .technical-standards {
        border-top: none;
        border-bottom: 1px solid #e0f2f1;
    }
    
    .table-header,
    .table-row {
        flex-direction: column;
    }
    
    .header-item,
    .row-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .row-item {
        border-bottom: 1px solid #e8f4f5;
    }
    
    .row-specification {
        border-bottom: 1px solid #e8f4f5;
        padding-top: 8px;
    }
}

@media (max-width: 768px) {
    .technical-data-section {
        padding: 50px 0;
    }
    
    .data-container {
        padding: 0 30px;
    }
    
    .data-title {
        font-size: 1.9rem;
    }
    
    .left-content,
    .technical-standards {
        padding: 24px;
    }
    
    .quality-note {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .technical-data-section {
        padding: 40px 0;
    }
    
    .data-container {
        padding: 0 20px;
    }
    
    .data-title {
        font-size: 1.7rem;
    }
    
    .left-content,
    .technical-standards {
        padding: 20px;
    }
    
    .quality-note {
        padding: 18px;
    }
    
    .header-item,
    .row-item,
    .row-specification {
        padding: 12px 16px;
    }
    
    .item-name,
    .row-specification {
        font-size: 0.9rem;
    }
}

NOVASTAR™ Starch Ether
                Making Construction Simpler and Smarter
            
            Engineered to optimize performance and handling of cement- and gypsum-based building materials

LANDU's NOVASTAR™ Hydroxypropyl Starch Ether (HPS) is engineered to optimize the performance and handling of cement- and gypsum-based building materials. This specialty additive offers outstanding compatibility with common formulation partners, including cellulose ethers, redispersible polymer powders, and superplasticizers.

Improved water retention & thickening efficiency

Enhanced slip resistance & extended open time

Superior rheological profile for smoother application

Tile Adhesives

Starch Ether for Tile Adhesives

Accepted Answer

Under high-temperature conditions, NOVASTAR™ starch ether delivers reliable water-retaining performance, helping maintain ideal moisture levels within the mortar for stronger adhesion and improved bonding stability.

Question 3

Starch Ether for Wall Putty / Skim Coat

Accepted Answer

NOVASTAR™ HPS provides rapid and controlled thickening response that refines the rheology of plastering and spray-applied mortars, contributing to smoother surface finish and optimal spreadability during application.

Question 4

Starch Ether for Dry-Mix Mortar

Accepted Answer

Thanks to its unique molecular architecture, this starch ether minimizes sagging and slippage even in thicker mortar layers, ensuring uniform, stable, and efficient coating process with superior performance characteristics.

Question 5

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Accepted Answer

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Question 6

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Accepted Answer

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Question 7

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Accepted Answer

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Question 8

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Accepted Answer

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Question 9

Core Performance Benefits

Enhanced Thickening Effect
                                    Significantly amplifies viscosity when combined with cellulose ethers

Superior Crack Resistance
                                    Improved flexibility and durability in mortar applications

Refined Workability
                                    Optimized handling characteristics for professional results

Engineered for Excellence

LANDU's NOVASTAR™ Hydroxypropyl Starch Ether (HPS) is specifically engineered to improve the performance and handling of cement‑ and gypsum‑based building materials. Thanks to its chemical structure closely resembling Hydroxypropyl Methylcellulose (HPMC), NOVASTAR™ HPS demonstrates remarkable compatibility with a wide variety of construction additives.

Advanced Compatibility
                        
                        When used together with cellulose ethers, NOVASTAR™ HPS significantly enhances the thickening effect, boosts crack resistance, and refines workability in mortar systems.

Formulation Optimization

Reduced Dosage
                                    Lower additive requirements while maintaining performance

Enhanced Performance
                                    Superior results through optimized formulation balance

/* NOVASTAR™ Construction Excellence Section */
.construction-excellence-section {
    width: 100%;
    background: linear-gradient(140deg, #f7fafa 0%, #ecf8f9 40%, #f0fafb 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.construction-excellence-section::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -15%;
    width: 35%;
    height: 160%;
    background: radial-gradient(ellipse, rgba(20, 160, 133, 0.04) 0%, transparent 65%);
    transform: rotate(-12deg);
}

.construction-excellence-section::after {
    content: '';
    position: absolute;
    bottom: -40%;
    right: -10%;
    width: 30%;
    height: 120%;
    background: radial-gradient(circle, rgba(13, 115, 119, 0.03) 0%, transparent 70%);
    transform: rotate(8deg);
}

.excellence-container {
    max-width: 1350px;
    margin: 0 auto;
    padding: 0 45px;
    position: relative;
    z-index: 1;
}

/* Section Header */
.excellence-header {
    text-align: center;
    margin-bottom: 40px;
}

.excellence-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: #0d3b3f;
    line-height: 1.25;
    margin-bottom: 16px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.title-gradient {
    background: linear-gradient(125deg, #0d7377 0%, #14a085 35%, #2bb3a0 70%, #3cc4a8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.excellence-subtitle {
    font-size: 1.2rem;
    color: #2c6e6f;
    font-weight: 500;
    max-width: 650px;
    margin: 0 auto;
    letter-spacing: 0.3px;
}

/* Main Content */
.excellence-content {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(13, 115, 119, 0.08);
    border: 1px solid #e5f4f5;
    overflow: hidden;
    position: relative;
}

.excellence-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0d7377 0%, #14a085 50%, #2bb3a0 100%);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: stretch;
}

/* Left Column: Visual and Benefits */
.visual-benefits-column {
    display: flex;
    flex-direction: column;
    background: linear-gradient(160deg, #f9fdfe 0%, #f0f9fa 100%);
    padding: 24px;
    gap: 20px;
}

/* Hero Image - Increased height */
.hero-image-container {
    position: relative;
    height: 320px;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(13, 115, 119, 0.12);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.hero-image-container:hover .hero-image {
    transform: scale(1.05);
}

/* Performance Benefits Card */
.performance-benefits-card {
    flex: 1;
    background: #ffffff;
    border: 1px solid #e8f4f5;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.benefits-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.benefits-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #e0f7fa 0%, #d0f0fd 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefits-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #0d3b3f;
    margin: 0;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: #f8fcfd;
    border: 1px solid #e8f4f5;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(3px);
    box-shadow: 0 4px 12px rgba(13, 115, 119, 0.08);
    border-color: #b8e6d5;
}

.benefit-indicator {
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    border-radius: 50%;
    margin-top: 5px;
    flex-shrink: 0;
}

.benefit-content {
    flex: 1;
}

.benefit-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: #0d3b3f;
    display: block;
    margin-bottom: 3px;
}

.benefit-description {
    font-size: 0.85rem;
    color: #4a6c6d;
    line-height: 1.4;
    margin: 0;
}

/* Right Column: Technical Details */
.technical-details-column {
    display: flex;
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-left: 1px solid #e8f4f5;
}

/* Product Overview Card */
.product-overview-card {
    background: #ffffff;
    border: 1px solid #e8f4f5;
    border-radius: 12px;
    padding: 20px;
    flex: 1;
}

.overview-header {
    margin-bottom: 14px;
    position: relative;
}

.overview-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #0d3b3f;
    margin: 0 0 8px 0;
}

.title-accent {
    width: 35px;
    height: 3px;
    background: linear-gradient(90deg, #0d7377 0%, #14a085 100%);
    border-radius: 2px;
}

.overview-description {
    font-size: 1rem;
    color: #3d5a5c;
    line-height: 1.65;
    margin: 0;
}

/* Compatibility Card */
.compatibility-card {
    background: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    border-radius: 12px;
    padding: 20px;
    color: white;
}

.compatibility-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.compatibility-icon {
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.compatibility-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    margin: 0;
}

.compatibility-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.6;
    margin: 0;
}

/* Optimization Features Card */
.optimization-features-card {
    background: #f8fcfd;
    border: 1px solid #e0f2f1;
    border-radius: 12px;
    padding: 20px;
    flex: 1;
}

.features-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #0d3b3f;
    margin-bottom: 16px;
}

.features-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-box {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    background: #ffffff;
    border: 1px solid #e8f4f5;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature-box:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(13, 115, 119, 0.08);
    border-color: #c8ebd8;
}

.feature-icon-wrapper {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #e0f7fa 0%, #d0f0fd 100%);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 1px;
}

.feature-info {
    flex: 1;
}

.feature-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: #0d3b3f;
    display: block;
    margin-bottom: 4px;
}

.feature-detail {
    font-size: 0.85rem;
    color: #4a6c6d;
    line-height: 1.45;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .excellence-container {
        padding: 0 35px;
    }
}

@media (max-width: 1024px) {
    .construction-excellence-section {
        padding: 50px 0;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .visual-benefits-column {
        background: #ffffff;
        border-bottom: 1px solid #e8f4f5;
    }
    
    .technical-details-column {
        border-left: none;
        border-top: 1px solid #e8f4f5;
    }
    
    .hero-image-container {
        height: 280px;
    }
}

@media (max-width: 768px) {
    .construction-excellence-section {
        padding: 40px 0;
    }
    
    .excellence-container {
        padding: 0 25px;
    }
    
    .excellence-title {
        font-size: 2rem;
    }
    
    .excellence-subtitle {
        font-size: 1.1rem;
    }
    
    .visual-benefits-column,
    .technical-details-column {
        padding: 20px;
        gap: 16px;
    }
    
    .hero-image-container {
        height: 240px;
    }
}

@media (max-width: 480px) {
    .construction-excellence-section {
        padding: 35px 0;
    }
    
    .excellence-container {
        padding: 0 20px;
    }
    
    .excellence-title {
        font-size: 1.8rem;
    }
    
    .excellence-subtitle {
        font-size: 1rem;
    }
    
    .visual-benefits-column,
    .technical-details-column {
        padding: 16px;
        gap: 14px;
    }
    
    .hero-image-container {
        height: 200px;
    }
    
    .product-overview-card,
    .compatibility-card,
    .optimization-features-card,
    .performance-benefits-card {
        padding: 16px;
    }
}

Superior Starch Ether Solutions Powered by Advanced R&D

Innovation Excellence
                    
                    With a strong foundation in starch ether research and development, LANDU continuously drives innovation through its NOVASTAR™ product line. Guided by a philosophy of continuous improvement and uncompromising quality, we focus on enhancing product performance and consistency — ensuring every batch delivers the same high standard of excellence.

Construction Excellence Delivered
                    From dry-mix mortars and tile adhesives to wall putty and skim coats, LANDU's NOVASTAR™ range offers dependable solutions that make construction processes more stable, efficient, and effortless.

More stable construction processes

Enhanced efficiency and productivity

Effortless application and handling

Choose NOVASTAR™

Engineered for Performance

Proven for Durability

Trusted Across the Construction World

Advanced R&D Testing

Performance Excellence
                        Dependable solutions that deliver consistent results

Stability
                                Consistent performance across conditions

Efficiency
                                Streamlined application processes

Quality
                                Uncompromising standards in every batch

/* NOVASTAR™ R&D Innovation Section */
.rd-innovation-section {
    width: 100%;
    background: linear-gradient(135deg, #f8fcfd 0%, #e8f5f6 100%);
    padding: 60px 0;
    position: relative;
}

.innovation-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Section Header */
.innovation-header {
    text-align: center;
    margin-bottom: 40px;
}

.innovation-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #0d3b3f;
    line-height: 1.3;
    max-width: 800px;
    margin: 0 auto;
}

.title-gradient {
    background: linear-gradient(135deg, #0d7377 0%, #14a085 50%, #2bb3a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Main Content Layout */
.innovation-content {
    display: flex;
    gap: 0;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(13, 115, 119, 0.1);
    border: 1px solid #e0f2f1;
    overflow: hidden;
    min-height: 600px;
}

/* Left Column */
.left-content {
    flex: 1;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    justify-content: space-between;
    min-height: 600px;
}

/* Foundation Section */
.foundation-section {
    flex: 1;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.badge-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.foundation-text {
    font-size: 1.05rem;
    color: #3d5a5c;
    line-height: 1.7;
    margin: 0;
}

/* Benefits Summary */
.benefits-summary {
    flex: 1;
}

.benefits-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #0d3b3f;
    margin-bottom: 12px;
}

.benefits-intro {
    font-size: 1.05rem;
    color: #3d5a5c;
    line-height: 1.6;
    margin-bottom: 16px;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.benefit-point {
    display: flex;
    align-items: center;
    gap: 10px;
}

.point-marker {
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    border-radius: 50%;
    flex-shrink: 0;
}

.point-text {
    font-size: 0.95rem;
    color: #3d5a5c;
    font-weight: 500;
}

/* Trust Statement Left */
.trust-statement-left {
    flex-shrink: 0;
    background: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    color: white;
    padding: 24px;
    border-radius: 12px;
    margin-top: 8px;
}

.trust-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.trust-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.trust-icon {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.trust-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.trust-points {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.trust-point {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
}

.point-highlight {
    font-weight: 700;
    color: white;
}

/* Right Column */
.right-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 600px;
}

/* Product Image Section */
.product-image-section {
    flex: 1;
    display: flex;
    align-items: stretch;
}

.image-container {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.image-container:hover .main-image {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
}

.overlay-content {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(13, 115, 119, 0.9);
    backdrop-filter: blur(8px);
    color: white;
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.overlay-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Performance Metrics */
.performance-metrics {
    flex-shrink: 0;
    padding: 32px;
    background: #f8fcfd;
    border-top: 1px solid #e0f2f1;
}

.metrics-header {
    margin-bottom: 20px;
}

.metrics-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #0d3b3f;
    margin-bottom: 6px;
}

.metrics-subtitle {
    font-size: 1.05rem;
    color: #3d5a5c;
    margin: 0;
}

.metrics-grid {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.metric-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    background: #ffffff;
    border: 1px solid #e8f4f5;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.metric-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(13, 115, 119, 0.1);
    border-color: #b8e6d5;
}

.metric-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #e0f7fa 0%, #d0f0fd 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.metric-content {
    flex: 1;
    min-width: 0;
}

.metric-label {
    font-size: 1rem;
    font-weight: 600;
    color: #0d3b3f;
    display: block;
    margin-bottom: 4px;
}

.metric-desc {
    font-size: 0.9rem;
    color: #3d5a5c;
    line-height: 1.5;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .innovation-content {
        flex-direction: column;
        min-height: auto;
    }
    
    .left-content,
    .right-content {
        min-height: auto;
    }
    
    .right-content {
        order: 1;
    }
    
    .left-content {
        order: 2;
    }
    
    .product-image-section {
        min-height: 300px;
    }
    
    .performance-metrics {
        border-top: none;
        border-bottom: 1px solid #e0f2f1;
    }
}

@media (max-width: 768px) {
    .rd-innovation-section {
        padding: 50px 0;
    }
    
    .innovation-container {
        padding: 0 30px;
    }
    
    .innovation-title {
        font-size: 1.9rem;
    }
    
    .left-content,
    .performance-metrics {
        padding: 24px;
    }
    
    .trust-statement-left {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .rd-innovation-section {
        padding: 40px 0;
    }
    
    .innovation-container {
        padding: 0 20px;
    }
    
    .innovation-title {
        font-size: 1.7rem;
    }
    
    .left-content,
    .performance-metrics {
        padding: 20px;
    }
    
    .trust-statement-left {
        padding: 18px;
    }
    
    .innovation-content {
        gap: 0;
    }
}

Top 5 Advantages of NOVASTAR™ Hydroxypropyl Starch Ether
            
            LANDU's NOVASTAR™ Hydroxypropyl Starch Ether (HPS) offers a spectrum of performance advantages for cement‑ and gypsum‑based construction materials. Each feature is precisely engineered to improve application efficiency, surface finish, and long‑term durability.

1

Superior Anti‑Sagging Performance

Accepted Answer

Delivers excellent resistance to sagging while enhancing mortar workability — ensuring smooth, stable application on vertical or inclined surfaces.

Question 10

Elimination of Drape Effect

Accepted Answer

Effectively prevents the downward flow or "drape" phenomenon in thicker mortar layers, maintaining uniform coating thickness and surface consistency.

Question 11

Pratęstas atviras laikas

Accepted Answer

Provides outstanding water retention even under demanding, high‑temperature conditions, giving applicators more flexibility and longer working time.

Question 12

Rapid and Efficient Thickening

Accepted Answer

Acts as a fast‑response thickener, improving mortar viscosity and texture instantly for easier mixing, spreading, and leveling.

Question 13

cURL Too many subrequests.

Accepted Answer

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NOVASTAR™ HPS Expert Hydroxypropyl Starch Ether Solutions