Polyurethane paints
PU matt hardtop spc
Appearance – Opaque
Specific Gravity – 1.0 kg/L
Viscosity @ 25°C – 60” FC # 4
Flash Point – 20°C
Non-Volatile – 48%
Gloss – 10°C/20°C/30°C/40°C
Application condition:
Air temperature 5~35°C
Relative Humidity 85% max
Application Method – Auto or Conventional Spray
Recommended Catalyst – Catalyst #054
Thinner – PU Thinner #105/205
Mixing Ratio (%wt.) – Spray Visc. =13~15”
Base 100
Cat. 50
Thinner 25-30
Pot life – 3~4 hours
Drying time:
Dust free 15 – 20 minutes
Touch free 30 – 45 minutes
Recoat 1 – 2 hours
Hard 24 – 36 hours
Coverage – 8 – 10 m2/L (100-200g/m2)
Pencil Hardness – H-2H
The surface to be top coated should be primed with Polyurethane, Primeseal or Polyester Primer.
It should be cleaned well-sanded and free from dust, oil water and other contaminants.
To a well-prepared surface, apply 1-2 coat of PU MATT HARDTOP SPC, horizontally and vertically.
One or two coats maybe sufficient for ordinary finish; however, to obtain an applied wet to wet if necessary. Light sanding with 400-600 grit sandpaper is recommended before subsequent coat when recoating exceeds 3 hours and remove traces of wax.