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sales@landu-china.com +86 180 4322 4403

Precision-Engineered Rigid Redispersible Polymer Powder

LANDU Technology

Trusted by leading construction manufacturers worldwide, LANDU RDP enhances strength, durability, ja water resistance — the perfect choice for projects demanding rigid, reliable performance.

Advanced polymer technology delivering consistent quality and superior performance across all construction applications.

Enhanced Strength

Superior bonding power

Long-lasting Durability

Weather-resistant formula

Water Resistance

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C₂H₄
VAc
VeoVa
≥98%
Redispersibility
5-40μm
Particle Size
ISO 9001
Sertifitseeritud

Construction Applications

plaatliim
Wall Putty
EIFS Süsteem
Repair Mortar
Product Overview

Rigid Redispersible Polymer Powder (RDP)

Rigid Redispersible Polymer Powder (RDP) is a high-performance polymer additive developed to deliver exceptional adhesion, superior hardness, and outstanding durability in cementitious materials. Once blended with water, it disperses uniformly, forming a dense, rigid polymer film that significantly boosts the mechanical strength, cohesion, and overall integrity of mortars and adhesives.

Designed for construction applications that demand a firm, non-flexible bond, Rigid RDP offers enhanced abrasion and water resistance, providing lasting protection even under challenging conditions. It also helps reduce shrinkage and surface cracking, ensuring a stable and durable finish throughout the material's service life.

Exceptional Strength
Superior Adhesion
Outstanding Durability
LANDU Rigid Redispersible Polymer Powder Samples
Premium Quality

Uniform Dispersion

Perfect water blend

Dense Film Formation

Rigid polymer matrix

Why Choose LANDU's Kindel RDP

Engineered for superior performance in demanding construction applications

Exceptional Mechanical Strength

Enhances both the compressive and tensile strength of cementitious products for a more solid, durable result.

Enhanced Compressive & Tensile Strength

Superior Adhesion Performance

Creates strong bonding between mortar layers and substrates, significantly improving long-term durability and resistance to delamination.

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LANDU Technology

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24937-78-8
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39052900
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Construction Materials
Technical Assistance
Full formulation and application guidance
OEM Options
Private labeling available
LANDU Rigid Redispersible Polymer Powder Sample
Premium Quality
Hot-Selling Type

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LANDU RDP 5011N Sample
VAE
≥99%
Semi-Flex
≥99%
400-600
6-8
4°C

Technical Specifications

Parameter
Specification
Polymer Base
VAE (Vinyl Acetate–Ethylene)
Protective Colloid
PVA (Polyvinyl Alcohol)
Solid Content (%)
≥99
Ash Content (%)
12 ± 2
Bulk Density (g/L)
400 – 600
Tg (°C)
0
MFFT (°C)
4
pH Value
6 – 8
Type
Semi-Flexible

Key Advantages

  • Excellent adhesion and flexibility for tile adhesives, wall putties, and plasters
  • Improves workability, impact resistance, and bonding strength
  • Enhances moisture resistance and long-term durability
  • Ideal for cement-based formulations requiring strong adhesion

Recommended Applications of Rigid RDP in Construction

Versatile solutions for construction needs

Tile Adhesives Application

Tile Adhesives

Enhances bonding strength and long-term durability for tiles applied to cementitious or plaster substrates. RDP formulation improves impact resistance, moisture protection, and thermal stability, ensuring reliable adhesion even under demanding conditions.

Bonding Strength
Löögikindlus
Thermal Stability
Wall Putty Application

Wall Putty

LANDU Rigid RDP delivers smooth, uniform, crack-free surfaces with excellent adhesion for both interior and exterior wall finishes. Ideal for producing stable, high-quality base layers that support superior paint and coating performance.

Crack-Free Surface
Excellent Adhesion
High-Quality Base
EIFS/ETICS Systems Application

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Self-Leveling Compounds Application

Enesekorrigeeruvad segud

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Tensile Strength
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Custom Solutions

Custom packaging available to meet specific construction project or market branding requirements.

LANDU RDP Packaging
Professional Packaging
Moisture-Proof
Stackable Design
Durable Materials
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Experience LANDU quality firsthand — we offer complimentary Rigid RDP samples to support product evaluation and formulation testing.

Why Request Our Samples?

Quality Assurance

Test our premium RDP formulation in your specific applications

Formulation Testing

Evaluate compatibility with your existing mortar systems

Performance Validation

Verify LANDU's performance advantage in real-world conditions

Request yours today and see how LANDU's performance advantage can elevate your next construction project.

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LANDU Professional Technical Team
Expert Technical Support
LANDU Rigid RDP Free Sample
Free Sample Kit
Fast Delivery
Tehniline tugi
Global Shipping

LANDU Innovation • Reliability • Excellence

Leading Manufacturer of Rigid Redispersible Polymer Powder

With years of specialized expertise in construction chemical additives, LANDU has become a globally trusted name known for technological innovation, product reliability, and dedicated service.

Our Product Portfolio

Our product portfolio includes Redispersible Polymer Powders and Cellulose Ethers (HPMC, HEMC, HEC), complemented by Polycarboxylate Superplasticizers, Gypsum Retarders, Silicone Hydrophobic Powders, and Powder Defoamers.

Equipped with modern manufacturing facilities and a professional technical team, LANDU provides a one-stop solution for your formulation and production needs, ensuring consistent product quality and efficient international logistics.

LANDU Innovation - Research Laboratory
💡 Innovatsioon
LANDU Reliability - Professional Training
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LANDU Excellence - Technical Training
⭐ Tipptase

🏆 Certified Quality & Global Presence

LANDU Certifications - ISO, REACH, ECOVADIS
🏅 Certified Quality

ISO 9001 Certified

Certified under ISO 9001 and compliant with EU REACH standards for quality assurance

60+ Countries

Exporting to 60+ countries, trusted by international brands and manufacturers

R&D Excellence

Supported by a dedicated R&D center and application laboratory with 11 invention patents and 4 utility model patents

🌍 Global Presence

Three automated manufacturing bases serving customers worldwide

Advanced, Large-Scale Production

High-Performance Rigid Redispersible Polymer Powder at Scale

To serve customers worldwide, LANDU operates three automated manufacturing bases with a combined capacity of 75,000 tons per year, ensuring uninterrupted supply of LANDU RDP.

DCS-Controlled Systems

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LANDU RDP Factory
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DCS-Controlled Systems

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LANDU Selected Raw Materials
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LANDU RDP Packaging
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