3M Microfinishing Film 372L

The 3M™ Microfinishing Film Roll 372L is engineered for precision and consistency, catering to stringent surface finishing requirements. This microfinishing solution, featuring micron-graded premium aluminum oxide on a durable polyester film backing, is ideal for applications demanding uniform results and tight geometry, such as automotive camshafts and crankshafts. Its unique design and color coding system simplify process control, making it a vital tool for industries focused on precision and quality.

Key Characteristics

Micron-graded premium aluminum oxide for uniform abrasive action.
Durable 5 mil polyester film backing for consistent finishing.
Friction grip coating to prevent slippage in microfinishing machines.
Resin bond for reliable, consistent performance.
Available in a broad range of micron grades for specific surface finishes.
Color-coded by grade for easy identification and reduced operator error.

Use For

Microfinishing in automotive applications, particularly camshafts and crankshafts.
Applications requiring highly uniform scratch patterns.
Processes where tight geometry and finish tolerances are essential.
Industries needing a reproducible surface characteristic and geometric values.
Complex parts requiring multi-grade finishing for varied surface characteristics.