P hardeners are multi-purpose hardeners that can be used in various Sikkens primer-fillers, topcoats and clearcoats.
P hardener is an isocyanate hardener which has multiple usage and is mixed with Autocryl Plus (topcoat), Clearcoats & Autosurfacer Classic (Primer). Available in various temperature ranges (P20, P25, P35) in combination with various Reducers.