Product Details
The 3M™ Microfinishing Film Roll 372L measures 8 inches by 150 feet with a 3-inch core and features a 100 micron grit aluminum oxide micron roll resin bonded to a 5 mil polyester film backing. The backing includes a friction grip coating for slip resistance, ensuring secure handling. This product is designed for precision finishing of cylindrical surfaces such as automotive camshafts and crankshafts. It combines a high strength film backing with micron-graded aluminum oxide mineral to provide precise, uniform, close-tolerance finishes with fast cutting capabilities. The roll's long length supports applications including fine finishing, powertrain microfinishing, and superfinishing. Warranty and compliance details are as per 3M standards.








