WPU-2561 High-Strength Water-based Polyurethane Resin

WPU-2561 is a fatty water-based polyurethane resin with a high solid content and excellent tensile strength. The film it forms exhibits superior resistance to yellowing, high strength, fast rebound speed, softness without stickiness, and quick build-up advantage.

WPU-2561 is suitable for various applications such as water-based paper coatings, high-density polyethylene fabric lamination for bulletproof vests, and water-based hot melt adhesives.


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Product Features

  • High stability in emulsion formulation and grinding
  • Film strength of 36 MPa
  • Excellent fullness and rebound with outstanding hot melt adhesion
  • Excellent water resistance, maintaining good performance after 72 hours of water immersion at 25°C
  • Free from toxic heavy metal catalysts, plasticizers, and other harmful substances

Application Areas

Recommended for formulating thick paste for clothing and footwear materials, water-based paper varnishes, and water-based hot melt adhesives. For further improvement in water resistance and adhesion, the addition of nitrogen-containing compounds or isocyanate curing agents is suggested.

Typical Physical Data

Appearance
White liquid
Solid Content
50±2 %
PH
6~9
GB6920-1986
System
Anionic
Viscosity
10-1200 CPS

Safety, Packaging, and Storage

1. Store in a cool, dry place away from light. Keep the temperature between 5-30°C. Maintain the integrity of the packaging. The shelf life of the product is 6 months from the production date. It is recommended to conduct performance tests in the laboratory if the product exceeds the shelf life.

2. Handle with care to avoid frost. It is recommended to use the product in one go after opening the packaging.

3. Available in 50 kg plastic drums.