3M Products 36150 321U Series Multi-Hole Abrasive Disc, 3 in Dia, 320 Grit, Hook and Loop, Blue spigot The primer adheres to bare

The primer adheres to bare metal

1 to 5% Siloxanes and Silicones Reaction Products with Silica

For gap filling/panel bridging

Replace cartridges according to manufacturer's schedule or when breakthrough occurs

Can be welded and rivet bonded

3M Products 36150 321U Series Multi-Hole Abrasive Disc, 3 in Dia, 320 Grit, Hook and Loop, Blue spigot The primer adheres to bareOur 3M Hookit blue abrasive disc 321U delivers best in class performance at every stage of paint prep and body repair. Premium aluminum oxide mineral abrasive is blended with ceramic grain for a full range of automotive sanding applications. Our multi hole discs feature a specially designed pattern that reduces Why Pros Choose 3M Products MMM A best in class abrasive sheet roll offering for the entire repair and paint preparation process Engineered