The backing of RIKEN RMC AF37M 3m polishing film is polyester film, with high flat surface and strength. The 3m sharpening film can be used to sand for wet and dry and has a fast sanding advantage. 3m abrasive film is often used as Velcro and PSA disc, and also suitable for different curved surfaces and paint polishing. Adopting the special treated high-grade grain, semi-open strew grain technology and partial grits have a special anti-clogging stearated coating. Our 3m sanding film or 3m finishing film can prevent clogging and stick efficiently, especially suitable for sanding auto putty and primer. RIKEN RMC AF37M 3m mylar film has the excellent cutting performance, perfect sanding surface, longer-lasting with Durability. 3m film sheet polishing is excellent for contour sanding without folding.