Sparko Polyurethane Topcoat Hardener Special is the part B of Sparko's Polyurethane non-yellowing topcoat (362-0182-0).
Add with:
Partnered with:
Product code: 310-0370-0
PROPERTIES
RATIO: 2:1:1-2
(Topcoat: Hardener:Thinner)
Drying time is 45-60 minutes before overcoat
