Finish Sand 4:1 is a hybrid polyester primer surfacer that utilizes patented technology to provide a smooth, low-texture finish. It is ideal for holding down troublesome repairs on a variety of substrates. Finish Sand 4:1 passes 500 hours in salt spray test (ASTM B117) and can be applied over properly sanded and cleaned bare metal. It is compatible with waterborne paint systems and VOC compliant.
- Must be catalyzed with 733 4:1 Polyester Primer Catalyst or 734 Fast 4:1 Polyester Primer Catalyst only!