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SKU 7100238832
Legacy SKU 60440405128
UPC 00638060882191
Product Number 372L

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.

  • 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
  • Available in a range of grades to help operators achieve goal tolerances
  • Color-coded by grade for error proofing
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On it's way to you December 11  

Qty

Minimum Order 11 Rolls
Order Increment 11 Rolls
  Durable
  Superior Protection
  Global Shipping
  Industry Low Price
Product Dimensions
Imperial Metric
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Shipping Dimensions
Weight 17.638 lb
Length 11 in
Width 11 in
Height 14.3 in

PRODUCT FAQ

  1. What exactly is the Microfinishing Film Roll 372L used for?

    The 3M™ Microfinishing Film Roll 372L is designed for high-quality, close-tolerance finishing applications.

  2. What type of finish can I expect from the product?

    This film roll produces consistent and predictable finishes every time. You can achieve fine and ultra-fine finishes with great precision using this product.

  3. Will it work on a variety of surfaces or just certain ones?

    Our Microfinishing Film Rolls are compatible with a wide range of surfaces including aluminum, brass, copper, nickel alloys, stainless steel and composites.

  4. How much does one case come with?

    One case includes 11 rolls each measuring 1.043 in x .300 ft x .3 in (26.49mmx91.5m).

  5. ; Is this product safe to use?

    ; Yes! We prioritize safety at every step of our manufacturing process ensuring that all products produced by 3M will be safe for you to use when handled appropriately and inline with safety guidelines determined within your setting.

For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
Predictable, Consistent, Repeatable Performance

3M™ Microfinishing Film Roll 372L achieves an extremely consistent scratch for microfinishing by using micron-graded mineral, measured at tight size tolerances. The resin bond ensures reliable, consistent performance. The abrasive has a durable film backing that helps achieve tight geometry and finish tolerances. This microfinishing roll comes in a broad range of micron grades to achieve reproducible surface characteristics and geometric values that adhere to specification.

3M designed Type 2 film in a range of colors to reduce the risk of operator error. The color coding is a useful visual cue, as is sorting width by core size and side and end of roll printing and marking. In some applications, numerous grades are run simultaneously to achieve finishes that differ across the surface of a single complex part.

Film Backing Provides Uniformly Flat Vehicle for Finer Finish

Film backings provide a superior, uniformly flat surface to hold abrasive particles. Abrasive grains don't compress or become pressed into the backing. The polyester film backing is highly conformable and tear-resistant, flexing to help achieve a consistent finish over contours. It is stronger than comparable paper products, making it ideal for high-production environments.

For Flawless Geometries

Manufacturers of critical automotive components have little room for error in producing parts to specification. Microfinishing removes variations in the surface, minimizes friction, and manipulates metal behavior in other ways. Engine component surfaces and geometry can be improved by using microfinishing, which is essential for finishes of crankshafts and camshafts that rotate on increasingly thinner films of oil.

Recommended Applications

3M™ Microfinishing Films are used in the production of industrial components such as custom flanges and fittings for the oil and gas industry, as well as superfinishing of automotive parts, like crankshafts, camshafts, and transmission parts.

A Portfolio of Abrasive Systems Solutions

3M offers a broad portfolio of abrasives that shape, finish, and polish with ease and precision. From specialty abrasives designed for a highly specific purpose to versatile, jack-of-all-trades sheets, you can find an abrasive tool to accomplish your task or perfect your system. 3M draws from a wealth of original technologies and breakthrough inventions to provide a broad portfolio of abrasives.

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