polyurethane paints
pu semigloss sc/50 clear
Appearance – Transparent Liquid
Specific Gravity (20ºC) – 0.95 +/- 0.05 kg/L
Viscosity (25ºC, FC # 4) – 40 – 60 sec.
Flash Point – 20ºC
Solid Content (Wt. %) – 45 +/- 0.5
VOC – 680 g/L
Gloss (60ºC) – 50 – 60
Application Condition – Air temperature 5 – 35ºC, Relative Humidity 85% max.
Application Method – Auto or Conventional Spray
Recommended Catalyst – Catalyst #034
Thinner – Thinner #105/205
Mixing/Dilution Ratio – (FC #4, 13 – 15 sec.)
Base – 100
Cat. – 75
Thinner – 25-30
Pot Life (20ºC) – 3 – hrs.
Drying Time – Dust-Free 15 – 20 min., To Touch 30 – 45 min., To Recoat 1 – 2 hrs., Hard 24 – 36 hrs.
Coating Rate – 6 – 8 m2/L (100-120gm/m2)
Pencil Hardness – HB-H
Recoating – One coat may be sufficient for an ordinary finish, however; one additional coat can be applied wet on wet if necessary. Light sanding with 400-600 mesh sandpaper is recommended before subsequent coat when recoating time exceeds 3 hrs. and remove traces of wax.
- The surface to be top coated should be primed with either polyurethane 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 coats of PU SEMIGLOSS SC/50 CLEAR, horizontally and vertically.
- To obtain a perfect finish coat, sand it again with very fine sandpaper and repeat the top coating process.