3M™ Microfinishing Film Roll 373L

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Strong polyester-film backing stands up to wear and can be run wet

Friction coating is anti-slip to help abrasive remain securely fastened to shoes

Ideal for automotive powertrain applications

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Strong polyester-film backing stands up to wear and can be run wet
Friction coating is anti-slip to help abrasive remain securely fastened to shoes
Ideal for automotive powertrain applications
Available in a range of grades to help operators achieve goal tolerances
Type 2 Film is color coded by grade to help operators reduce the risk for errors

3M™ Microfinishing Film Roll 373L quickly cuts, shapes and polishes, delivering uniform, close-tolerance finishes on parts used in metalworking applications.

Our 3M™ Microfinishing Film Roll 373L has a friction coating made with quartz mineral. This coating is anti-slip, so the abrasive won't slip from machines or workpieces — like camshafts, crankshafts and transmission parts — during finishing. The polyester cloth backing is typically stronger than paper backings. It can be run wet on microfinishing machines and stays strong when applied to the oscillating part. Additionally, the abrasive mineral is uniformly distributed over the backing. The strength of the backing, combined with the uniformity of the mineral, helps produce a consistent finish each time you sand.

Microfinishing — an important application for many operators — corrects the geometry of parts and creates fine finishes. Microfinishing can remove damaged or amorphous layers to improve the surface finish and roundness of the part. Available in variety of grades, operators should consider target tolerances when selecting the right microfinishing film. We designed Microfinishing Film Roll 373L Type 2 film in a range of colors (PDF, 348 Kb) — reflective of each grade — for added value, helping reduce the risk for error.

To improve the geometry of parts and achieve desired finishes, our 3M™ Microfinishing Film Roll 373L is an exceptional choice.

Learn more about 3M™ Microfinishing Film Roll 373L (PDF, 3.9 Mb)

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Similar products

	Current product 3M™ Microfinishing Film Roll 373L	3M™ Microfinishing Film Roll 362L	3M™ Microfinishing Film Roll 382L	3M™ Microfinishing Film Roll 372L
Micron Grade	9 μm, 15 μm, 20 μm, 30 μm, 40 μm, 50 μm, 60 μm, 80 μm, 100 μm
Overall Width (Metric)	103 mm
Product Form	Roll
Overall Width (Imperial)	4.055 in
Overall Length (Imperial)	450 ft
Abrasive Material	Aluminum Oxide

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.