Question 1

Key Benefits

Accepted Answer

Comprehensive advantages for superior wall finishing performance

Question 2

LANDERCOLL® K100 HPMC

Accepted Answer

Optimize Workability and Water Retention

Question 3

ACCURATE™ 4025N RDP

Accepted Answer

Increase Adhesion, Flexibility, and Durability

Question 4

Proven Performance

Accepted Answer

With decades of experience in cellulose ethers and RDP powders, LANDU ensures every additive delivers consistent workability, adhesion, and crack resistance.

Question 5

Technical Support & Customized Solutions

Free formulation guidance for cement-based putty

Tailored advice for different substrates and environmental conditions

On-site or virtual support to optimize additive dosage

Quality & Reliability

✓
                            ISO 9001 and EU REACH certified

✓
                            Advanced production technology and rigorous QC

✓
                            Global supply network with fast, reliable delivery

Cost Efficiency

Optimized additive dosages reduce material waste

Minimize surface defects and rework costs

Compatible with standard cement-based putty production

Recommended Dosage Guidelines

Additive Type
                                Dosage Range
                                Purpose

HPMC / HEMC

0.5–2%
                                    by weight of cement

Water retention
                                        Workability
                                        Open time

RDP

2–5%
                                    by weight of cement

Adhesion
                                        Flexibility
                                        Crack resistance

Exact dosage depends on substrate, environmental conditions, and desired performance. LANDU provides technical support for formulation optimization.

/* Why Choose Section */
.wpa-why-choose-section {
    width: 100%;
    background: linear-gradient(180deg, #f8fbfc 0%, #ffffff 50%, #f8fbfc 100%);
    padding: 80px 0;
    position: relative;
}

.wpa-why-choose-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 70px;
}

.wpa-why-choose-header {
    text-align: center;
    margin-bottom: 60px;
}

.wpa-why-choose-header .wpa-header-decoration {
    justify-content: center;
}

/* Reasons Grid */
.wpa-reasons-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

/* Reason Card */
.wpa-reason-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid rgba(13, 115, 119, 0.12);
    transition: all 0.35s ease;
    box-shadow: 0 6px 25px rgba(13, 115, 119, 0.08);
    display: flex;
    flex-direction: column;
    position: relative;
}

.wpa-reason-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(13, 115, 119, 0.15);
    border-color: rgba(13, 115, 119, 0.25);
}

.wpa-reason-highlight {
    background: linear-gradient(135deg, rgba(13, 115, 119, 0.03) 0%, rgba(20, 160, 133, 0.05) 100%);
    border-color: rgba(13, 115, 119, 0.2);
}

/* Reason Image */
.wpa-reason-image-wrapper {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.wpa-reason-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s ease;
}

.wpa-reason-card:hover .wpa-reason-image {
    transform: scale(1.08);
}

.wpa-reason-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(13, 115, 119, 0.1) 0%, rgba(13, 115, 119, 0.4) 100%);
    pointer-events: none;
}

/* Reason Icon - Positioned on Image */
.wpa-reason-icon-wrapper {
    position: absolute;
    top: 170px;
    left: 30px;
    z-index: 2;
}

.wpa-reason-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.35s ease;
    box-shadow: 0 6px 20px rgba(13, 115, 119, 0.3);
}

.wpa-reason-card:hover .wpa-reason-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(13, 115, 119, 0.4);
}

.wpa-reason-icon svg {
    width: 30px;
    height: 30px;
}

/* Reason Content */
.wpa-reason-content {
    padding: 50px 30px 30px 30px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.wpa-reason-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: #0d3b3f;
    margin: 0;
    line-height: 1.3;
}

.wpa-reason-description {
    font-size: 1rem;
    color: #2c6e6f;
    line-height: 1.7;
    margin: 0;
}

/* Support Features */
.wpa-support-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wpa-support-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.wpa-support-bullet {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    flex-shrink: 0;
    margin-top: 7px;
    box-shadow: 0 0 8px rgba(13, 115, 119, 0.4);
}

.wpa-support-item span {
    font-size: 0.95rem;
    color: #2c6e6f;
    line-height: 1.6;
}

/* Quality List */
.wpa-quality-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.wpa-quality-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.wpa-quality-check {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, rgba(13, 115, 119, 0.15) 0%, rgba(20, 160, 133, 0.2) 100%);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0d7377;
    font-size: 0.9rem;
    font-weight: 700;
    flex-shrink: 0;
}

.wpa-quality-item span {
    font-size: 0.95rem;
    color: #2c6e6f;
    line-height: 1.6;
}

/* Efficiency List */
.wpa-efficiency-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wpa-efficiency-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.wpa-efficiency-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(13, 115, 119, 0.12) 0%, rgba(20, 160, 133, 0.18) 100%);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0d7377;
    margin-top: 2px;
}

.wpa-efficiency-item span {
    font-size: 0.95rem;
    color: #2c6e6f;
    line-height: 1.6;
}

/* Dosage Section */
.wpa-dosage-section {
    background: white;
    border-radius: 20px;
    padding: 50px;
    border: 2px solid rgba(13, 115, 119, 0.12);
    box-shadow: 0 8px 35px rgba(13, 115, 119, 0.08);
}

.wpa-dosage-header {
    text-align: center;
    margin-bottom: 45px;
}

.wpa-dosage-header .wpa-header-decoration {
    justify-content: center;
}

.wpa-dosage-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Dosage Table */
.wpa-dosage-table-wrapper {
    overflow-x: auto;
    border-radius: 14px;
    border: 2px solid rgba(13, 115, 119, 0.12);
}

.wpa-dosage-table {
    width: 100%;
    border-collapse: collapse;
}

.wpa-dosage-table thead {
    background: linear-gradient(135deg, rgba(13, 115, 119, 0.08) 0%, rgba(20, 160, 133, 0.12) 100%);
}

.wpa-dosage-table th {
    padding: 20px 24px;
    text-align: left;
    font-size: 1.05rem;
    font-weight: 700;
    color: #0d3b3f;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid rgba(13, 115, 119, 0.15);
}

.wpa-dosage-table tbody tr {
    border-bottom: 1.5px solid rgba(13, 115, 119, 0.08);
    transition: all 0.3s ease;
}

.wpa-dosage-table tbody tr:last-child {
    border-bottom: none;
}

.wpa-dosage-table tbody tr:hover {
    background: rgba(13, 115, 119, 0.03);
}

.wpa-dosage-table td {
    padding: 24px;
}

.wpa-table-additive {
    display: flex;
    align-items: center;
    gap: 14px;
}

.wpa-table-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, rgba(13, 115, 119, 0.1) 0%, rgba(20, 160, 133, 0.15) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0d7377;
    flex-shrink: 0;
}

.wpa-table-icon svg {
    width: 24px;
    height: 24px;
}

.wpa-icon-rdp {
    background: linear-gradient(135deg, rgba(20, 160, 133, 0.1) 0%, rgba(13, 115, 119, 0.15) 100%);
}

.wpa-table-label {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0d3b3f;
}

.wpa-dosage-value {
    font-size: 1.3rem;
    font-weight: 800;
    color: #0d7377;
    display: block;
    margin-bottom: 4px;
}

.wpa-dosage-unit {
    font-size: 0.88rem;
    color: #2c6e6f;
    font-weight: 500;
}

.wpa-purpose-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.wpa-purpose-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(13, 115, 119, 0.1) 0%, rgba(20, 160, 133, 0.12) 100%);
    color: #0d7377;
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(13, 115, 119, 0.2);
}

/* Dosage Note */
.wpa-dosage-note {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    background: linear-gradient(135deg, rgba(13, 115, 119, 0.05) 0%, rgba(20, 160, 133, 0.08) 100%);
    padding: 24px 28px;
    border-radius: 14px;
    border-left: 4px solid #14a085;
}

.wpa-note-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    color: #0d7377;
}

.wpa-dosage-note p {
    font-size: 1rem;
    color: #2c6e6f;
    line-height: 1.7;
    margin: 0;
}

.wpa-dosage-note strong {
    color: #0d7377;
    font-weight: 700;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .wpa-why-choose-container {
        padding: 0 50px;
    }
    
    .wpa-dosage-section {
        padding: 45px 40px;
    }
}

@media (max-width: 1024px) {
    .wpa-why-choose-section {
        padding: 60px 0;
    }
    
    .wpa-why-choose-container {
        padding: 0 40px;
    }
    
    .wpa-reasons-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-bottom: 60px;
    }
    
    .wpa-dosage-section {
        padding: 40px 35px;
    }
}

@media (max-width: 768px) {
    .wpa-why-choose-section {
        padding: 50px 0;
    }
    
    .wpa-why-choose-container {
        padding: 0 28px;
    }
    
    .wpa-why-choose-header {
        margin-bottom: 45px;
    }
    
    .wpa-reason-content {
        padding: 45px 24px 24px 24px;
    }
    
    .wpa-reason-icon-wrapper {
        left: 24px;
    }
    
    .wpa-dosage-section {
        padding: 35px 28px;
    }
    
    .wpa-dosage-table th,
    .wpa-dosage-table td {
        padding: 16px;
        font-size: 0.9rem;
    }
    
    .wpa-purpose-tags {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .wpa-why-choose-container {
        padding: 0 22px;
    }
    
    .wpa-reasons-grid {
        gap: 20px;
    }
    
    .wpa-reason-image-wrapper {
        height: 180px;
    }
    
    .wpa-reason-icon-wrapper {
        top: 150px;
        left: 20px;
    }
    
    .wpa-reason-icon {
        width: 50px;
        height: 50px;
    }
    
    .wpa-reason-icon svg {
        width: 26px;
        height: 26px;
    }
    
    .wpa-reason-content {
        padding: 40px 20px 20px 20px;
    }
    
    .wpa-reason-title {
        font-size: 1.2rem;
    }
    
    .wpa-dosage-section {
        padding: 30px 22px;
    }
    
    .wpa-dosage-table th,
    .wpa-dosage-table td {
        padding: 12px;
        font-size: 0.85rem;
    }
    
    .wpa-table-icon {
        width: 38px;
        height: 38px;
    }
    
    .wpa-dosage-note {
        padding: 20px;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

How LANDU Additives Improve Wall Putty

Crack Prevention

Accepted Answer

HPMC/HEMC + RDP reduce shrinkage and prevent micro-cracks

Question 6

Extended Open Time

Accepted Answer

Allows adjustments during application without compromising bonding

Question 7

Enhanced Adhesion

Accepted Answer

Ensures long-lasting bonding on all substrates

Question 8

Smooth, Durable Finish

Accepted Answer

Results in visually flawless, hard-wearing walls

Question 9

Flexible & Stable

Accepted Answer

Maintains performance under thermal and moisture variations

Additive Type	Dosage Range	Purpose
HPMC / HEMC	0.5–2% by weight of cement	Water retention Workability Open time
RDP	2–5% by weight of cement	Adhesion Flexibility Crack resistance

Wall Putty Additives

What Are Wall Putty Additives?

Water Retention & Open Time

Enhanced Adhesion

Workability & Smoothness

Crack Resistance

Overall Durability

Typical Applications of LANDU Wall Putty Additives

Interior Wall Finishing

Exterior Plaster Systems

Thermal Insulation Surfaces

Multiple Substrate Types

Decorative Finishes

High-Stress Environments

Key Benefits

Smooth, Crack-Resistant Surfaces

Improved Adhesion & Bonding

Enhanced Workability

Superior Durability

Reduced Shrinkage

Recommended LANDU Wall Putty Additives

LANDERCOLL® K100 HPMC

Key Benefits:

ACCURATE™ 4025N RDP

Key Benefits:

Why Choose LANDU Wall Putty Additives?

Proven Performance

Technical Support & Customized Solutions

Quality & Reliability

Cost Efficiency

Recommended Dosage Guidelines

How LANDU Additives Improve Wall Putty

Crack Prevention

Extended Open Time

Enhanced Adhesion

Smooth, Durable Finish

Flexible & Stable

Request Free Samples

Why Try Our Free Samples:

Frequently Asked Questions (FAQ)

What is the role of HPMC in wall putty?

How does HEMC differ from HPMC for wall putty applications?

What benefits does RDP (Redispersible Polymer Powder) offer in putty formulations?

Can LANDU Wall Putty Additives reduce cracks in high-rise or large-area walls?

What substrates are compatible with LANDU wall putty additives?

How do I optimize additive dosage for my putty formulation?

Can LANDU additives improve workability and open time for cement-based putty?

Are LANDU wall putty additives suitable for exterior applications?

Can I combine LANDU HPMC/HEMC with RDP in a single formulation?

How do additives prevent the putty from drying too fast?

How can I reduce powdering or flaking of wall putty?

Do LANDU additives work with both interior and exterior wall putty?

LANDERCOLL^® K100 HPMC

ACCURATE^™ 4025N RDP