PU Hardner is an aliphatic / aromatic isocyanate cured with polyurethane resin, which is mixed with PU paints to enhance the hardness and durability of the paint.
1Liter / 4 Liters / 20 Liters
4parts of base & 1 part of hardner
Surface dry:- 20-25mins
Tack free:- 2-3 hours
Hard dry:- over night