USC 2773 Activator For 2770 2K Surfacer 1L Caulking Seam Sealers Produces a high build &

Produces a high build & fast sanding finish

adjust for spray conditions and equipment

This formula leaves a high-gloss finish — on many surfaces

sharp mineral is continually exposed to give you consistent cut and a predictable

2-in-1 formula

USC 2773 Activator For 2770 2K Surfacer 1L Caulking Seam Sealers Produces a high build &USC 2773 Activator For 2770 2K Surfacer 1L USC 2773 Activator is a professional grade hardener specifically formulated for use with USC 2770 2K Surfacer. Designed to provide the correct curing characteristics and performance properties, it helps achieve excellent adhesion, sanding characteristics and surface preparation quality in automotive refinishing applications. When mixed with USC 2770 2K Surfacer according to the manufacturer's recommendations,