A two pack, polyurethane primer surfacer, for use under PPG Industries' polyurethane wood finishes.

- Good sanding and filling properties
- Very fast drying
- High Solids
- Very good holdout

Uses:
Recommended as a primer surfacer on various wood based substrates. Spray apply 110-165 microns Wet Film Thickness, to achieve 50-75microns Dry Film Thickness. Overcoat time is 6-24hours, with sanding (360 grit). Overcoat with 777HS, 269, 579, 555, 573,574.

Surface Preparation:
Wood - sand and dust down. MDF - Sand faces with 150 grit, edges with 120 grit followed by 180 grit in the opposite direction.

Thinning and cleaning up:
Thin 10-30% with 140 Ester Thinner. Clean gun and equipment with 140 Ester Thinner.

Application:
Spray - conventional, airless.
Mixing Ratio: Mix 4L 570P with 799B Hardener.

Drying:
Rapid drying and can be sanded after 6hours @21C. For optimum hold-out allow to dry overnight, then sand, before applying topcoat.