3M™ Imperial™ Microfinishing Film is a fast cutting abrasive that provides precise, consistent, uniform close-tolerance finishes to Cam and Crankshafts. A high-strength polyester film backing is coated with premium, micron-graded mineral particles that are electrostatically oriented for greater cutting efficiency, and resin-bonded for increased durability.
The 3M range for Powertrain components includes a range of Microfinishing Films and Cuno Coolant Filtration for improved quality of process fluids: