Advanced R&D Engineering

NOVASTAR by LANDU Defining Excellence in Hydrophobic Powder Engineering

Driven by advanced R&D and precision manufacturing, LANDU delivers industry-grade hydrophobic powder with unwavering consistency, innovation, and global reliability.

Precision Manufacturing

Advanced production technology ensuring consistent quality

R&D Innovation

Cutting-edge research driving next-gen solutions

Global Reliability

Trusted worldwide for consistent performance

Si-OH

C₈H₁₇

PDMS

SiO₂

Hydrophobic

Concrete Protection

Protective Coatings

Textile Treatment

Construction Materials

150°

Contact Angle

99.9%

Water Repellency

25Y+

Durability

Advanced R&D

Precision Manufacturing

Global Standards

→ Explore NOVASTAR Engineering

China's Leading Hydrophobic Powder Supplier

NOVASTAR™ Advanced Silicone Technology | Premium Water-Repellent Solutions

LANDU NOVASTAR™ Hydrophobic Powder Technology

LANDU NOVASTAR Silicone Hydrophobic Powder Products

Premium Grade

Technical Advantages

Water Resistance

Superior hydrophobic barrier formation for long-lasting protection

Easy Integration

Seamless blending with existing mortar formulations

Performance Stability

Consistent results across diverse environmental conditions

NOVASTAR™ Hydrophobic Powder, developed by LANDU, is an advanced silicone-based water-repellent additive formulated specifically for cementitious mortars. This premium-grade, free-flowing white powder offers exceptional water-resistance enhancement and significantly improves the lifespan of your cement-based materials.

As a trusted hydrophobic powder manufacturer in China, LANDU adheres to rigorous quality assurance processes and international manufacturing standards. Our knowledgeable R&D team also provides customized OEM formulation solutions, ensuring the perfect fit for your project's unique requirements.

Product Highlights:

Outstanding dispersion properties in water

Effortless incorporation into dry-mix mortar systems

Boosts the water-repellent capability of cementitious products

Minimizes water penetration to extend material durability

Compatible with a broad range of mortar mix designs

LANDU NOVASTAR™ Hydrophobic Powder Technical Specifications

Product Specifications

Item

Specification

Appearance

Fine white powder

Bulk Density

250 – 400 g/L

Moisture Content

≤ 3.0%

pH Value

7.0 – 9.0

Particle Size

200 – 300 μm

Technical Description

NOVASTAR™ is a free-flowing white powder engineered with precise particle sizing to ensure optimal dispersion and consistent performance in mortar applications. Its balanced pH supports compatibility with a wide range of cement-based formulations, while controlled bulk density and low moisture content enhance storage stability.

LANDU NOVASTAR Silicone Hydrophobic Powder SHP Product Sample

Laboratory Tested

Premium Grade Sample

Precision Engineered

Controlled particle sizing for optimal performance

Quality Assured

Rigorous testing and quality control standards

Storage Stable

Low moisture content ensures long-term stability

NOVASTAR™ Silicone Hydrophobic Powder Advantages for Building Materials

Crafted by LANDU, NOVASTAR™ is an advanced silicone-based hydrophobic additive engineered for producing waterproof construction products. Its unique formulation offers long-lasting protection and integrates seamlessly into dry-mix mortar systems.

Key Advantages:

Superior Water Resistance

Creates a robust hydrophobic barrier that effectively blocks moisture penetration.

Improved Workability

Disperses effortlessly with dry components, simplifying formulation processes.

Extended Material Lifespan

Minimizes water uptake and prevents efflorescence in cement-based products.

Versatile Compatibility

Performs reliably in mortar, plaster, and coating formulations.

NOVASTAR Silicone Hydrophobic Powder Performance Demonstration

Performance Test

95%

Water Repellency

25+

Years Durability

100%

Compatibility

LANDU Waterproof Mortar Solutions

Backed by the strong technical and manufacturing capabilities of LANDU, the NOVASTAR™ series offers a complete range of high-performance waterproof mortar additives. Our advanced production facilities ensure consistent quality and reliability, even for large-volume orders.

Partnership Excellence

At LANDU, we focus on long-term partnerships built on trust and value. We provide exclusive support programs for our global distributors and agents, including competitive pricing and flexible cooperation policies.

Recommended Additives:

Silicone hydrophobic powder

HPMC / MHEC

Superplasticizers

Redispersible polymer powder (RDP)

And more tailored solutions for your dry-mix formulations

Waterproof Solutions

NOVASTAR™ Series

Quality Assurance

Advanced production facilities

Large Volume Orders

Consistent reliability at scale

NOVASTAR™ Hydrophobic Powder – Supply & Application Details

At LANDU, we pride ourselves on being a dependable supplier of silicone-based hydrophobic powder, offering stability, consistent quality, and prompt delivery. Backed by robust production capabilities and a well-established global logistics network, we meet the needs of industrial clients worldwide with confidence and efficiency.

Supply & Logistics Information

Payment Methods:

T/T (Telegraphic Transfer)

OA (Open Account)

L/C (Letter of Credit)

PayPal (for sample delivery fees)

Lead Time:

Standard dispatch within 7 to 14 days

Timeframe may vary depending on order volume and destination

Delivery Terms:

FOB (Free On Board)

CFR (Cost and Freight)

CIF (Cost, Insurance & Freight)

Additional international trade terms upon request

Packaging Options:

Customized packaging solutions tailored to your brand

Options include logo printing, specific color choices, and detailed specification labeling

Delivery Management

LANDU Silicone Hydrophobic Powder Pallet Package

Professional Packaging

Reliable Supply

Consistent quality & delivery

Global Logistics

Worldwide distribution network

NOVASTAR™ Silicone Hydrophobic Powder – Application Areas

Developed by LANDU, NOVASTAR™ is a high-performance silicone-based hydrophobizing agent designed to deliver superior water resistance and enhanced durability in a variety of cementitious products. It is an ideal additive for dry-mix mortar systems, consistently providing dependable results across multiple building applications.

Skim Coating

Improves surface water repellency for smoother, longer-lasting finishes.

Waterproof Mortar

Waterproof Floor Mortar

Enhances moisture barrier properties to protect structural integrity.

Joint Filler

Joint Filler & Tile Grout

Reduces water absorption, preventing discoloration and efflorescence.

Tile Adhesives

Strengthens bond while adding hydrophobic protection.

EIFS System

EIFS (External Insulation Finishing System)

Ensures weather resistance and stability in façade systems.

Wall Rendering

Cement & Wall Rendering

Adds reliable waterproofing performance for both interior and exterior applications.

Performance Promise:

With NOVASTAR™, every formulation benefits from improved water resistance, extended service life, and consistently high quality—helping your cement-based products withstand challenging conditions without compromise.

Superior Water Resistance

Extended Service Life

Consistently High Quality

LANDU – Your Trusted Partner for Waterproof Mortar Additives

As the company behind the NOVASTAR™ brand, LANDU is a global supplier specializing in high-performance waterproof mortar chemicals. Our foundation rests on advanced R&D, eco-conscious manufacturing, and long-term customer collaboration—ensuring every batch meets strict quality standards and delivers reliable, consistent performance.

Our Commitments & Services

ESG Strategy

Environmental Stewardship

We prioritize environmental stewardship and sustainable chemical production, actively reducing our ecological footprint through responsible manufacturing practices.

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R&D Innovation

Research & Development

Dedicated to constant innovation in hydrophobic powder and polymer additive technologies.

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Technical Support

Technical Service

Professional formulation support and tailored technical assistance for specific requirements.

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Supply Chain

Supply Chain Excellence

Reliable output with strong production capacity and efficient logistics worldwide.

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Payment & Delivery

Flexible Payment & Delivery

Diverse trade terms and fast order fulfillment within 7–14 days.

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Dealer Program

Dealer Advantages

Exclusive programs and preferential terms to strengthen market presence.

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Claim Your Complimentary NOVASTAR™ Hydrophobic Powder Sample!

Curious about the exceptional performance of LANDU's NOVASTAR™ silicone hydrophobic powder? Now you can test it for yourself—absolutely free.

Experience first-hand how NOVASTAR™ improves water resistance, boosts material durability, and elevates the quality of your cement-based formulations.

Discover the NOVASTAR™ Advantage – proven results, consistent quality, and reliable protection for your construction materials.

Request My Free Sample Now

Free Sample

100% Free Sample

Fast Worldwide Shipping

Technical Support Included

Superior Water Resistance

Enhanced Durability

Frequently Asked Questions

Everything You Need to Know About NOVASTAR™ Silicone Hydrophobic Powder

What is NOVASTAR™ Silicone Hydrophobic Powder used for?

NOVASTAR™ is a high-performance silicone-based hydrophobic agent formulated specifically for cementitious and mortar applications. This advanced powder improves water repellency and enhances the overall durability of construction materials.

The product helps prevent critical issues such as efflorescence and moisture damage, making it an essential additive for maintaining the structural integrity and aesthetic quality of various construction applications.

Primary Applications Include:

Skim Coats

Enhanced water resistance for smooth finishing layers

Tile Adhesives

Superior moisture protection for tile installation systems

Grouts & Renders

Long-lasting protection against water penetration and weathering

                                Key Benefits: Prevents efflorescence, reduces moisture damage, improves durability, and enhances the long-term performance of construction materials.
                            

How is NOVASTAR™ typically added to mortar formulations?

NOVASTAR™ is engineered as a free-flowing white powder that integrates seamlessly into ready-mix mortar systems through simple dry-blending processes. This user-friendly formulation eliminates the complexity often associated with liquid hydrophobic agents.

The powder disperses uniformly throughout the mixture without clumping, ensuring consistent hydrophobic performance across the entire final product. This uniform distribution is crucial for achieving reliable water repellency and long-term protection.

Simple Integration Process:

Dry Blending

Add NOVASTAR™ powder directly to your dry mortar ingredients during the mixing stage

Uniform Dispersion

The free-flowing powder disperses evenly without clumping or agglomeration

Consistent Performance

Achieve uniform hydrophobic properties throughout the entire mortar system

                                Advantage: No special mixing equipment required – works with standard dry-blending processes used in ready-mix mortar production.
                            

Is NOVASTAR™ compatible with different mortar and coating systems?

Absolutely. NOVASTAR™ is specifically designed to work seamlessly with various cement-based formulations, offering exceptional versatility across a wide range of construction applications.

The product's balanced pH and optimized particle size distribution make it highly compatible with both interior and exterior applications, ensuring reliable performance across diverse environmental conditions and system requirements.

Compatible Systems Include:

Exterior Insulation Systems

EIFS (Exterior Insulation and Finish Systems) with enhanced weather resistance

Wall Rendering Systems

Interior and exterior wall renders with superior moisture protection

Waterproof Floor Mortars

High-performance flooring systems with enhanced water resistance

Joint Filling Systems

Flexible joint fillers with long-lasting water repellency

pH Balance

Optimized for cement-based systems

Particle Size

Engineered for uniform distribution

Application Range

Both interior and exterior use

                                Versatile Solution: One product that adapts to multiple cement-based systems, simplifying inventory management and ensuring consistent performance across projects.
                            

How can I request a sample or place an order?

Requesting samples and placing orders for NOVASTAR™ is straightforward and flexible. We offer free samples to help you evaluate the product's performance in your specific applications before making a larger commitment.

Our streamlined ordering process accommodates various business needs with flexible payment options and reliable delivery schedules to support your project timelines.

Sample Request Process:

Direct Contact

Contact our sales team directly for immediate assistance and personalized service

Online Inquiry

Submit a detailed inquiry through the LANDU website for comprehensive product information

Flexible Payment Terms:

T/T

Telegraphic Transfer

L/C

Letter of Credit

Open Account

PayPal (for samples)

Delivery Information:

Standard Lead Time: 7–14 days

Factors: Order quantity and delivery location

                                Free Samples Available: Test NOVASTAR™ in your specific applications with no upfront cost – just pay for shipping via PayPal.
                            

Still Have Questions?

Our technical team is ready to help you find the perfect hydrophobic solution for your construction needs.

Email Us Sales@landu-china.com

Call Us +86 531 6995 9221

WhatsApp +86 150 6935 3616

Request Free Sample