Professional Car Paint Curing Agent, Universal 2K HS Hardener for Clearcoat, Topcoat and Epoxy Primer Our 2K automotive hardener is professional curing activator for auto refinishing. Compatible with 2K clear coat, topcoat and epoxy primer. Fast‑dry, medium‑dry and slow‑dry grades are available for different working temperatures. It promotes full cross‑link curing, improves film hardness, gloss, scratch and UV resistance. Factory direct wholesale, OEM & private label for
