polyurethane paints
pu primer white sp
PU PRIMER WHITE SP is a polyurethane pigmented undercoat based on saturated poly-functional polyesters and selected pigments. A two-component material with outstanding characteristics, filling well pores of all types of woods. It has good sanding qualities, which reduces the number of coats required.
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Colours & Material Samples
PU PRIMER WHITE SP is specially designed for curtain coating application. Best for all types of woods furniture sets turned pieces.
Appearance – White Liquid
Specific Gravity (20ºC) – 1.48 +/- .02 kg/L
Viscosity (25ºC) – 25 – 30 poise (Sp#4;60rpm)
Flash Point – 21ºC
Non-Volatile (Wt.%) – 76+/-0.5
Application condition – Air temperature 5 – 35ºC, Relative Humidity 85% max.
Application Method – Auto Spray and Curtain Coater
Recommended Catalyst – Catalyst #004
Thinner – PU Thinner #105/205
Mixing ratio – Base 100, Cat. 50, Thinner 15-20%, Pot Life (20ºC) 6 – 8 hours
Drying time (20ºC) – Dust-free 10 – 15 min., Touch-free 20 – 30 min., Recoat 2 – 3 hrs., Hard 24 – 36 hrs., Sandable 2 – 3 hrs.
Coverage – 120 – 150 gms/m2
Recoating – Minimum 30 min. – max. 3 hrs. medium sanding with 240/360 mesh sandpaper is recommended before a subsequent coat is needed.
- To the surface well prepared, apply 1-2 coats of PU PRIMER SP WHITE with Catalyst #004. Vertically and horizontally.
- Fill all cracks, deep holes and joints with polyester putty.
- Sand the surface with medium-grade sandpaper.
- Apply 1-2 coats of PU PRIMER SP WHITE prior to the final sanding and top coating.
- In the application for curtain coating, the viscosity of the lacquer should be carefully controlled and monitored for continuity of the finish.
