Product Details
The 3M™ Microfinishing Film Roll 372L measures 4" x 150' with a 3" core and features a 30 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 precision finishing of cylindrical surfaces such as automotive camshafts and crankshafts. It has a high strength film backing combined with micron-graded aluminum oxide mineral for precise, uniform, close-tolerance finishes. The film offers fast cutting and comes in long length rolls suitable for applications including fine finishing, powertrain microfinishing, and superfinishing.
