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SKU 7100250856
Legacy SKU 60440407470
UPC 00638060886885
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 May 21  

Qty

Minimum Order 24 Rolls
Order Increment 24 Rolls
  Durable
  Superior Protection
  Global Shipping
  Industry Low Price
Product Dimensions
Imperial Metric
Weight 1.642 lbs
Width 10.16969 in
Length 10.16969 in
Height 0.49173 in
Shipping Dimensions
Weight 40.1001 lb
Length 14.01575 in
Width 14.01575 in
Height 7.00787 in

PRODUCT FAQ

  1. Sure! Here are some common questions and answers about the 3M™ Microfinishing Film Roll 372L

    What does "5GB-151" mean in the product description?

  2. The "5GB-151" is a part number that helps identify this specific variation of the product. It refers to certain specifications or features.

    How many rolls come in one case of the 3M™ Microfinishing Film Roll 372L, 5GB-151?

  3. There are 24 rolls included in each case of this particular product, which is convenient for bulk purchasing or larger projects.

    What does "SP, ASO, ERMR" stand for in the product description?

  4. These letters represent different attributes such as Special Purpose (SP), Anti-Slip Overcoat (ASO), and Engineered Mineral Removal Resistant (ERMR). They describe specific characteristics of the film roll.

    Can you provide more details about the dimensions listed for this microfinishing film roll?

  5. The size specifications mentioned - 0.492in x 650ft x 3in (12.5mmx198m) - indicate the width, length, and core size of each individual roll, ensuring compatibility with various machinery setups or project requirements.

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

In order to achieve an extremely consistent scratch for microfinishing, 3M uses micron-graded mineral, measured at a very tight size tolerances for 3M Microfinishing Film Roll 372L. The resin bond ensures reliable, consistent performance. With a durable film backing, the abrasive 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. In some applications, numerous grades are run simultaneously to achieve finishes that differ across the surface of a single complex part. To reduce risk of operator error, 3M designed Type 2 film in a range of colors reflective of each grade. The color coding is a useful visual cue, as is sorting width by core size and side and end of roll printing and marking.

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. Highly conformable and tear-resistant, the polyester film backing flexes to help achieve a consistent finish over contours and 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. Power generation, life, noise, vibration and friction, fuel efficiency and emissions are all tied to the finishes of crankshafts and camshafts that rotate on increasingly thinner films of oil.

Engine component surfaces and geometry can be improved by using microfinishing which removes variations in the surface, minimizes friction and manipulates metal behavior in other ways.

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

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 that shape, finish and polish with ease and precision.

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