3M™ Microfinishing Film Roll 372L, .748 in x 656 ft x 3 in, 20 Mic, ASO, Keyed Core, 8 ea/Case

$163.34 / Roll

SKU	7100184269
Legacy SKU	60440354003
UPC	00638060060971
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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Durable

Superior Protection

Global Shipping

Industry Low Price

Product Dimensions	Imperial	Metric
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Shipping Dimensions
Weight	16.05009 lb
Length	10.07874 in
Width	10 in
Height	10.31496 in

PRODUCT FAQ

Of course! Feel free to ask me any questions about the 3M™ Microfinishing Film Roll 372L, .748 in x 656 ft x 3 in, 20 Mic, ASO,

Keyed Core, 8 ea/Case.
What is the size of the Microfinishing Film Roll 372L?

The dimensions of this film roll are .748 inches wide by 656 feet long with a core diameter of 3 inches.
What is the grit size or microns of this microfinishing film roll?

This particular Microfinishing Film Roll has a grit size or abrasive particle size of approximately 20 microns, making it suitable for fine finishing applications.
How many rolls come in a case when purchasing the Microfinishing Film Roll?

Each case contains a total of eight (8) rolls of Microfinishing Film, which allows you to stock up and save on your supply needs.
Can you provide more information about what ASO means for this product?

"ASO" stands for anti-static open coat design on this Microfinishing Film. It helps reduce clogging during use and enhances dust extraction efficiency for improved performance.

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.

SKU 7100184269 | 3M™ Microfinishing Film Roll 372L

Predictable, Consistent, Repeatable Performance

In order to achieve an extremely consistent scratch for microfinishing, 3M utilizes micron-graded mineral that is measured at very tight size tolerances for the 3M Microfinishing Film Roll 372L. The resin bond ensures reliable and consistent performance. With a durable film backing, this abrasive helps achieve tight geometry and finish tolerances.

This microfinishing roll is available in a wide range of micron grades, allowing for reproducible surface characteristics and geometric values that adhere to specifications. In certain applications, multiple grades are used simultaneously to achieve different finishes across the surface of a single complex part. To minimize the risk of operator error, 3M has designed Type 2 film in various colors that reflect each grade. The color coding serves as a useful visual cue, along with 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 and uniformly flat surface to hold abrasive particles, preventing them from compressing or becoming pressed into the backing. The polyester film backing is highly conformable and tear-resistant, allowing it to flex and achieve a consistent finish over contours. It is also stronger than comparable paper products, making it ideal for high-production environments.

For Flawless Geometries

Manufacturers of critical automotive components cannot afford any errors when producing parts to specification. The finishes of crankshafts and camshafts, which rotate on increasingly thinner films of oil, have a significant impact on power generation, life, noise, vibration, friction, fuel efficiency, and emissions. Microfinishing can improve engine component surfaces and geometry by removing variations in the surface, minimizing friction, and manipulating metal behavior in other ways.

Recommended Applications

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

A Portfolio of Abrasive Systems Solutions

3M offers a wide range of abrasive solutions, from specialty abrasives designed for highly specific purposes to versatile sheets that can handle various tasks. With a wealth of original technologies and breakthrough inventions, 3M provides a broad portfolio of abrasives that shape, finish, and polish with ease and precision.

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