3M 7000000328 | 3" Size x 4" Width x 150.0' OAL 372L Aluminum Oxide Film Roll

The 3M microfinishing film roll 372L features micron-graded premium aluminum oxide bonded to a 5 mil polyester film backing to deliver uniform results and meet stringent surface requirements. A friction grip coating provides slip resistance for microfinishing machines where film slippage is an issue, and close tolerance work on cylindrical surfaces, such as automotive camshafts and crankshafts.

Features:

• Micron-graded aluminum oxide abrasive cuts fast and provides a consistent, fine finish
• Durable polyester film backing provides flexibility for consistent finishing on contoured surfaces
• Polyester film backing can be run wet
• Color-coded by grade for error proofing