PPR F520 is an aminofunctional co-reactant for polyisocyanates useful for the formulation of high-solids, two-component polyurethane topcoats and solvent-free coatings. PPR F520 can be reacted with -NCO functional HDI trimmer resulting in a longer gelling time and excellent yellowing resistance.
- Molecular Weight 582
- Appearance Slightly Yellow Transparent Liquid
- Solids 96% +/- 2%
- Amine Value (mg KOH/g) 189-193
- Amine Equivalent (g/mol) 291