Kowa American Corporation

PPR F420

Polyaspartic Polyurea Resin F420

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


CAS#: 136210-30-5

EINECS#: 429-270-1


  • Water Resistance
  • Flexibility
  • Hardness
  • Weatherability


  • Polyurethane Resin
  • Resins