Model strong> PU-655
Type strong> Hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI)
Used as a water-based two-component Curing agent component of polyurethane system
Introduction strong>
PU-655 is a Crosslinker for aqueous systems; such aqueous systems need to be characterized by good bond stability and chemical resistance.
Usage strong>
Because of moderate hydrophilicity The balance between high performance and high functionality, waterborne two-component polyurethane coatings prepared with PU-655 have the characteristics of fast drying and fast curing, and the formed film has high final hardness and excellent chemical resistance. . PU-655 can also be used as a cross-linking aid for water-based polyols and as a cross-linking agent for most neutral water-based polymer dispersions such as polyurethane, polyvinyl acetate, polyacrylate and synthetic rubber dispersions.
Product Specifications
Physical properties |
Value |
NCO content (%) |
20.3-21.3 |
Viscosity (23℃, mPa .s) |
3500±1000 |
Hazen color value |
<60 |
HDI monomer content (% ) |
<0.1 |
density (g/cm³) |
about 1.16 |
Flash point (℃) |
about 192 |
Comments