polyurethane paints
PU SANDING SEALER #1300
Appearance – Opalescent
Specific Gravity (25ºC) – 1.00 +/- 0.05 kg/L
Viscosity (25ºC, FC #4) – 30 – 40 sec.
Flash Point – 25ºC
Non-Volatile (Wt.%) – 43 +/- 0.5
Application Method – Conventional & Auto Spray Machine/Curtain Coating
Recommended Catalyst – Catalyst #034
Thinner – PU Thinner #105/205
Mixing/Dilution Ratio – Base 100, Cat. 50
Thinner – 20-25
Pot life (20ºC) – 2 – 3 hours
Drying time (20ºC) – Dust-free 10 – 15 min., To Touch 35 – 45 min., To
Recoat 2 – 3 hrs., Sandable 1 – 2 hours, Hard 24- 36 hours
Coverage – 6 – 8 m2/L – (90-120gms/m2)
Recoating – Minimum 30 min – max 3 hours medium sanding with 240/360 mesh sandpaper is recommended before a subsequent coat is needed.
Prepare the surface to be painted with a manual or automatic sanding machine.
- Apply the required dye or stain (optional).
- Apply 1-2 coat of PU Sanding Sealer #1300 with the corresponding catalyst, vertically and horizontally.
- After the primed coat gets dried, sand it with medium sandpaper up to the extent not to damage the substrate.
- If required, apply wood putty transparent on nail holes, cracks and joints.
- Apply 1-2 coats of PU Sanding Sealer #1300 prior to the final top coating.
- When applied on a curtain coater, the coating weight and viscosity should be carefully checked from the start and re-checked when lacquer and thinner is added to the feeding tank.