3M™ Microfinishing Film Roll 269L features an aluminum oxide resin bonded to a polyester film backing. It is used for performing the finishing process in industrial cylindrical parts and polishing engine components such as camshafts and crankshafts.
Micron-Graded Aluminum Oxide 3M™ Microfinishing Film Roll 269L is engineered by bonding fine micron-graded aluminum oxide mineral to the 3 mil film backing. Smooth, High-Strength Polyester Backing The uniform thickness of film provides a far more consistent backing for the precise application of resins and micron-graded mineral. The polyester is helpful when close tolerances are important. In conjunction with high tolerance machines, the abrasive can consistently produce high tolerance parts and finishes consistently in specification. Polishing bearings, crank pinions, camshafts and joint bearings Polishing and finishing chrome, copper, steel, aluminum and rubber Finishing and polishing surgical instruments and implants
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