PPR F420 is an aminofunctional co-reactant for polyisocyanates used for the formulation of high-solids, two-component polyurethane topcoats and solvent-free coatings. PPR F420 is also useful when reacted with -NCO functional HDI trimmer showing longer gelling time and excellent yellow resistance.
- Molecular Weight 554
- Appearance Colorless Transparent Liquid
- Solids 97% +/- 2%
- Amine Value (mg KOH/g) 199-203
- Amine Equivalent (g/mol) 277