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Application areas: polyurethane rigid foam, flexible foam, self-skinning, shoe materials Characteristics: delayed, heat-sensitive Function: prolonging emulsion time, prolonging drawing time Use system ...

I. What is a catalyst? A catalyst is a substance that speeds up the process of a chemical reaction, but is not involved in the chemical reaction itself. The addition of a catalyst can increase the eff ...

HDI Quick drying Covesro N3790 BA   ABOUT: Aliphatic polyisocyanate (high functional HDI trimer).As the hardener component for lightfast, rapid-drying polyurethane coating systems. Product Types: H ...