3M8681 PRIMER SINGLE STEP 125ml

PRIMER SINGLE STEP 125ml - Single Step Primer is a polyurethane-based primer that promotes adhesion of polyurethane adhesives to glass, painted pinchweld metal, and PVC encapsulated parts. Use it to coat minor, bare metal scratches on the pinchweld to prevent corrosion. It is also a black-out primer to block out the sun's ultraviolet rays.