Expert Construction Chemical Solutions

NOVASTAR™ HPS Expert Hydroxypropyl Starch Ether Solutions

As one of China's most established producers of hydroxypropyl starch ether (HPS), LANDU brings over two decades of expertise in advanced construction chemical additives. Every NOVASTAR™ product is manufactured under rigorous QA protocols and in compliance with international quality standards.

C₆H₁₀O₅

C₃H₇O

CH₂OH

HPS

Wall Putty

Tile Adhesives

Mortar Systems

Dry-Mix Materials

Two Decades Expertise

Rigorous QA Protocols

International Standards

→ Explore NOVASTAR™ HPS Solutions

NOVASTAR™ HPS – Expert Hydroxypropyl Starch Ether Solutions

Two Decades of Excellence | Advanced Construction Chemical Additives

20+ Years Experience

As one of China's most established producers of hydroxypropyl starch ether (HPS), LANDU brings over two decades of expertise in advanced construction chemical additives. Every NOVASTAR™ product is manufactured under rigorous QA protocols and international quality standards.

Versatile Construction Solutions

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

Key Technical Advantages

Fast Viscosity Build-Up

Rapid thickening for improved workability.

Reduced Cracking

Enhanced flexibility minimizes shrinkage.

Superior Slip Resistance

Keeps tiles in place during application.

Smooth Application

Consistent, easy-to-spread texture.

Quality Assurance

Rigorous testing protocols ensure consistent performance and reliability for all construction applications worldwide.

LANDU NOVASTAR Hydroxypropyl Starch Ether Product Sample

Premium HPS

Technical Specifications

Primary Applications Wall Putty, Tile Adhesives, Mortar Systems

Quality Standards International QA Protocols

Manufacturing ISO Certified Facilities

Technical Support 24/7 Expert Consultation

Tailored OEM Support

Customized formulations with full technical backup and comprehensive project support.

LANDU – Your Trusted Hydroxypropyl Starch Ether Partner in China

NOVASTAR™ Premium HPS

NOVASTAR™ Hydroxypropyl Starch Ether (HPS), manufactured by LANDU, is a premium-grade construction additive produced from natural starch using advanced chemical and physical modification techniques.

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

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™ 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

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.

Stronger Adhesion

Better Workability

Bonding Stability

Wall Putty

Starch Ether for Wall Putty / Skim Coat

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.

Smooth Finish

Optimal Spreadability

Controlled Thickening

Dry-Mix Mortar

Starch Ether for Dry-Mix Mortar

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.

No Sagging

Uniform Coating

Stable Process

LANDU's Commitment to NOVASTAR™ HPS Powder

At LANDU, we are driven by a commitment to deliver dependable and sustainable NOVASTAR™ Hydroxypropyl Starch Ether (HPS) solutions to construction professionals around the world.

Core Focus

Rigorous Quality Control

Tested at Every Stage. Guaranteed Stability.

From raw material selection to final packaging, each production stage undergoes strict multi-level testing, ensuring every batch meets our uncompromising standards for stability and consistency.

Eco-Friendly Production

Environmentally Responsible. Sustainably Engineered.

NOVASTAR™ starch ether is produced through eco-conscious processes designed to minimize environmental impact with advanced manufacturing systems.

Globally Certified Quality

International Standards. Proven Reliability.

All NOVASTAR™ HPS products are manufactured in full compliance with recognized global quality benchmarks, earning certifications from leading inspection authorities worldwide.

Tailored Formulation Support

Customized Solutions for Your Projects.

Our specialized R&D team works closely with partners to deliver optimized additive systems and precise formulation guidance for enhanced performance and efficiency.

NOVASTAR™ Hydroxypropyl Starch Ether for Construction Excellence

Engineered Performance | Enhanced Compatibility | Superior Results

NOVASTAR HPS Construction Application - Repair Mortar

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

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

LANDU Advanced R&D Performance Testing Laboratory

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

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.

Superior Anti‑Sagging Performance

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

Elimination of Drape Effect

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

Extended Open Time

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

Rapid and Efficient Thickening

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

Excellent Anti‑Segregation in Self‑Leveling Systems

Prevents particle separation within the mixture, resulting in a homogeneous and stable finish — ideal for achieving smooth, even surfaces.

Performance Excellence

Engineered for Construction Professionals

Enhanced Application Efficiency

Superior Surface Finish

Long-Term Durability

Frequently Asked Questions

Everything You Need to Know About NOVASTAR™ Hydroxypropyl Starch Ether

What is NOVASTAR™ Hydroxypropyl Starch Ether, and what is its main function?

NOVASTAR™ HPS is a modified starch-based additive developed by LANDU specifically to enhance the performance of cement- and gypsum-based construction materials. This advanced chemical modification transforms natural starch into a high-performance construction additive that addresses critical challenges in modern mortar formulations.

The product significantly improves water retention, thickening properties, and application stability, making mortar systems considerably easier to mix, spread, and finish. This enhanced workability translates to improved productivity and superior end results for construction professionals.

Key Performance Enhancements:

Water Retention

Prevents premature drying and maintains optimal hydration conditions

Thickening Properties

Provides optimal viscosity for improved application and reduced sagging

Application Stability

Ensures consistent performance throughout the working time

                                Advanced Chemistry: Modified starch structure provides superior performance compared to natural starch, offering enhanced stability and consistent results in demanding construction applications.
                            

In which types of construction materials can NOVASTAR™ HPS be used?

NOVASTAR™ Hydroxypropyl Starch Ether demonstrates exceptional compatibility with a wide range of dry-mix formulations, making it an ideal choice for diverse construction applications. The product's versatile chemistry allows it to integrate seamlessly with various binder systems and additives.

The product works particularly well in complex formulations containing cellulose ethers and redispersible polymer powders, where it enhances the synergistic effects of multiple additives while maintaining system stability and performance consistency.

Compatible Dry-Mix Formulations:

Tile Adhesives

Enhanced bonding strength and extended open time for professional tile installation

Wall Putty

Superior workability and smooth finish for interior and exterior wall applications

Skim Coats

Excellent leveling properties and crack resistance for smooth surface preparation

Self-Leveling Mortars

Optimal flow characteristics and anti-segregation properties for floor applications

Plaster Mortars

Enhanced adhesion and reduced shrinkage for durable wall rendering systems

Cellulose Ethers

Synergistic performance enhancement

Polymer Powders

Improved flexibility and adhesion

System Compatibility

Both cement and gypsum-based formulations

                                Versatile Solution: One additive that enhances multiple dry-mix systems, simplifying formulation development and ensuring consistent quality across product lines.
                            

What distinguishes LANDU's NOVASTAR™ HPS from other starch ethers?

LANDU's NOVASTAR™ HPS is engineered through a controlled production process that ensures consistent molecular structure and exceptional stability. This advanced manufacturing approach sets our product apart from conventional starch ethers by delivering predictable, reliable performance in every batch.

The result is a superior additive that provides enhanced sag resistance, rapid thickening response, extended open time, and outstanding anti-segregation performance, even at low dosages. This efficiency makes NOVASTAR™ HPS both highly effective and cost-effective for manufacturers.

Superior Performance Characteristics:

Superior Sag Resistance

Maintains vertical application integrity without slumping or sliding, even in thick applications

Rapid Thickening Response

Quick viscosity development upon hydration for immediate workability improvement

Extended Open Time

Longer working window for complex applications and improved productivity

Anti-Segregation Performance

Prevents component separation and maintains homogeneous mixture throughout application

Manufacturing Excellence:

Controlled Production

Precise molecular structure control

Consistent Quality

Batch-to-batch reliability

Low Dosage Efficiency

Cost-effective performance

Enhanced Stability

Superior shelf life and performance

                                Efficiency Advantage: Superior performance at low dosages means reduced material costs while achieving enhanced construction material properties.
                            

Does NOVASTAR™ HPS comply with environmental and quality standards?

Absolutely. LANDU manufactures NOVASTAR™ HPS under strict quality management systems that ensure full compliance with international environmental and quality standards. Our commitment to excellence extends beyond product performance to encompass responsible manufacturing practices and environmental stewardship.

Our comprehensive quality assurance program includes rigorous testing protocols, continuous monitoring of production processes, and adherence to industry best practices. This systematic approach guarantees that every batch of NOVASTAR™ HPS meets the highest standards for safety, quality, and environmental responsibility.

Quality Management Systems:

ISO Quality Standards

Comprehensive quality management system certification ensuring consistent product excellence

Environmental Compliance

Adherence to international environmental regulations and sustainable manufacturing practices

Safety Standards

Full compliance with occupational health and safety requirements for construction materials

Industry Certifications

Recognition from leading construction industry bodies and regulatory authorities

Quality Assurance Process:

R&D

Rigorous product development and testing

Continuous quality control monitoring

TEST

Comprehensive batch testing protocols

CERT

Third-party certification verification

Environmental Responsibility:

Sustainable Sourcing: Renewable starch-based raw materials

Clean Production: Environmentally conscious manufacturing processes

Waste Reduction: Optimized production efficiency minimizing environmental impact

                                Certified Excellence: NOVASTAR™ HPS meets all international standards for quality, safety, and environmental responsibility, ensuring peace of mind for manufacturers and end users.
                            

Still Have Questions?

Our technical team is ready to help you optimize your dry-mix formulations with NOVASTAR™ HPS.

Email Us Sales@landu-china.com

Call Us +86 531 6995 9221

WhatsApp +86 150 6935 3616

Request Free Sample