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Product Details
Water Based Polyurethane Hardener

Water Based Polyurethane Hardener for WPU-70 series

Item no.: WPU-70-62I

  • Key features：
    - Solid Content: 50±2%
    - NCO content: 10±1%
    - Solvent component: Ethyl Acetate
    - Improve heat resistance of adhesive
    - Enhance water resistance of adhesive
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Product Introduction

APPLICATION & CHARACTERISTIC
  1. Water based polyurethane hardener WPU-70-62I is a water-emulsifiable polyisocyanate.
  2. Cross-linking action enhances heat resistance performance, water resistance, resistance toward plasticizers and organic solvents for cement.
  3. Water based polyurethane hardener WPU-70-62I serves as a cross-linking agent for aqueous PU dispersions.
PHYSICAL PROPERTY
Appearance Nearly colorless or Light-yellowish liquid
Viscosity < 100 cps (VT-04/25℃)
Main Component polyisocyanate
Solid Content 50 ± 2 %
NCO% 10 ± 1 %
Solvent components Ethyl Acetate
Storage temperature 5 - 40℃
Notice: These values are based on the test of our present laboratory test specimens.
PROCESSING METHOD
  1. Add 3-5% WPU-70-62I by weight to the Water Based PU adhesives and mix by agitator at 300-500 RPM for 8-10 mins, use up the mixed cement within its pot life (2 hours)
  2. Add 1% more WPU-70-62I during raining days and high humid days.
  3. When mixed with PU dispersions, it will generate CO2, so don’t seal mixed cement.
NOTICE
  1. Over exposure to water / moisture will cause the hardener turn viscous and cure itself.
  2. WPU-70-62I should be kept in tightly sealed containers at temperature between 5-40℃. Below this storage temperature WPU-70-62I may partly crystallize.
  3. When the product is transferred from one container to another, must prevent its over exposure to water, including moisture in the air .
  4. After pouring out from the original containers, containers of WPU-70-62I should be made of glass or aluminum .
  5. Close the cap of container tightly when not use, should be sealed well to prevent it reacting with moisture.
PACKING
1kg/aluminum can.
Taiwan PU Corporation is a professional water based polyurethane hardener manufacturer, water based polyurethane hardener producer. We supply high quality water based polyurethane hardener products, have an experienced technical team and offer the best price to water based polyurethane hardener.

Water based polyurethane hardener is called waterborne polyurethane hardener, hardener for water based polyurethane adhesive, polyurethane hardener for adhesive, polyurethane hardener for wear adhesive. If water based polyurethane hardener is needed, please contact us.

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