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.
|Appearance||Slightly Yellow Transparent Liquid|
|Solids||96% +/- 2%|
|Amine Value (mg KOH/g)||189-193|
|Amine Equivalent (g/mol)||291|