The 3M Diamond Microfinishing Film Discs with Plain Back are engineered for precision finishing of large surfaces in metallography and industrial grinding applications. These discs combine resin-bonded diamond abrasive with a flexible plain back for reliable mounting across a range of holders and backing pads.
Key Features:
Backing: Plain Back (Non-Adhesive/NH) for flexible mounting options
Abrasive: Diamond, available across multiple grits and micron sizes, size-dependent (see configuration table below)
Benefits:
Superior Cutting Power: Resin-bonded diamond abrasive delivers efficient material removal and a long service life
Flexible Mounting: Plain back design accommodates a wide range of holders and backing pads
Efficient Large-Area Coverage: Diameters up to 12 inches reduce processing time on extensive surfaces
Precise, Repeatable Results: A broad grit and micron range supports work from initial stock removal through fine finishing
Applications:
Finishing large metal, plastic, or composite surfaces
Smoothing and polishing automotive body panels
Preparing surfaces for painting or coating
Removing material and imperfections across extensive areas
Available Configurations (by Size):
Size Grits Micron Sizes
8″ x NH (203mm x NH) 120, 200, 280, 400, 500, 1200 9, 20, 30, 45, 74, 125
10″ x NH (254mm x NH) 120, 200, 280, 400, 500, 1200 9, 20, 30, 45, 74, 125
12″ x NH (305mm x NH) 120, 200, 280, 400, 1200 9, 30, 45, 74, 125
Quantity Discounts: Available for orders of 5 & 15 discs.
3M Diamond Microfinishing Film Discs, Plain Back, Resin Bond, multiple sizes.
This 3M product is for industrial use only, not for consumer sale or use. See RESOURCES > 3M Disclaimer.
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