3M™ Microfinishing Film Roll 362L

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High-strength 3 mil polyester film backing can be run with coolant

Micron-graded aluminum oxide mineral achieves a fast cut-rate and provides a uniform, consistent finish

Type S (smooth) backsize provides an anti-slip friction coating for microfinishing camshafts and crankshafts

Frequently viewed resources

Safety Data Sheet (PDF)

Overall Length (Imperial)

Overall Length (Metric)

Overall Width (Imperial)

Overall Width (Metric)

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Details

Highlights

High-strength 3 mil polyester film backing can be run with coolant
Micron-graded aluminum oxide mineral achieves a fast cut-rate and provides a uniform, consistent finish
Type S (smooth) backsize provides an anti-slip friction coating for microfinishing camshafts and crankshafts
Ideal for automotive powertrain applications, roll superfinishing and precision manufacturing
Available in 9-100 micron grades to help operators achieve goal tolerances
Long length rolls

The 3M™ Microfinishing Film Roll 362L quickly cuts, shapes and polishes, delivering close-tolerance finishes for precision tooling and machining applications. Available in 9-100 micron grades, aluminum oxide is electrostatically oriented and bonded to a polyester film backing. A Type S (smooth) backsize coating provides slip resistance for microfinishing machines.

Built for Microfinishing and Precision Manufacturing
On flat parts such as aluminum die castings, cylindrical or contoured tooling and machine parts — consistent and predictable finishes are key. 3M™ Microfinishing Film Roll 362L achieves close tolerances by way of a uniform film backing and micron-graded abrasive grain. The abrasive mineral is distributed precisely and uniformly over the backing, which helps produce a consistent, predictable finish each time.

Our 3M™ Microfinishing rolls are commonly used to produce industrial components like custom flanges and fittings for the oil and gas industry. Automotive parts, like crankshafts, camshafts and transmission parts must meet critical geometrical tolerances and exacting finish requirements. 3M™ Microfinishing films deliver exceptional results and are resistant to oils, water and emulsions. Manufacturers also rely on our microfinishing films for precision machining of steel printing components, dies for industrial equipment and supplies, and CNC machining parts.

Learn about 3M™ Microfinishing Film Products. (PDF, 347.7 Kb)

Smooth, High-Strength Polyester Backing
The uniform thickness of film provides a far more consistent backing for the precise application of resins and micron-graded mineral. The 3 mil polyester is helpful when close tolerances are important. In conjunction with high tolerance machines, the abrasive can consistently produce high tolerance parts and finishes consistently in specification.

Micron-Graded Aluminum Oxide
We engineer 3M™ Microfinishing Film Roll 362L by bonding fine micron-graded aluminum oxide mineral to the film backing. Due to the fine grade ranges, it's visually difficult to distinguish one grade from another, and because some applications may require multiple grits on the same machine simultaneously, our microfinishing film is color-coded to help avoid errors.

3M™ Microfinishing Films

Product

Mineral

Backing Caliper
(0.001")

Backside

Grades (Microns)

100

125

372L

Aluminum
Oxide

Type S

•

372L Type 2*
(colored)

Aluminum
Oxide

Type S

•

373L

Aluminum
Oxide

Type Q

•

373L Type 2*
(colored)

Aluminum
Oxide

Type Q

•

382L Type 2
(colored)

Aluminum
Oxide

Type S

•

362L

Aluminum
Oxide

Type S

•

272L**

Aluminum
Oxide

Type S

•

472L

Silicon
Carbide

Type S

•

675L

Diamond

Type S

•

Diamond

Type S

•

*Suggest to specify the 372L or 373L type 2 (colored) film whenever possible to assist with Error-proofing.
**European Lead Product. Plus wide rolls and belts globally.

Industrial professionals rely on aluminum oxide for its fast cut-rate and long life. It makes a tough, durable abrasive that self-fractures to expose fresh cutting edges. Due to its fast cut-rate, hardness, and strength, it is used for a wide range of sanding and finishing applications and is engineered for a great number of applications.

3M Science. Applied to the Surfaces of Things.
More than any other company, 3M delves into the surface of things. From grinding-to-dimension to microfinishing, we have the tools you need achieve tight geometry tolerances and finish specifications, part after part.

See more Woodworking solutions. (PDF, 20.55 Mb)

Typical properties

Details

Abrasive Material	Aluminum Oxide
Application	Grinding, Finishing, Sanding
Backing Material	Polyester Film
Backing Thickness (Imperial)	3 mil
Bond Type	Resin
Brands	3M™
Core Size (Imperial)	1 in, 3 in
Core Size (Metric)	25.4 mm, 76.2 mm
Equipment - Machines	Centerless Grinders, Microfinishing Machines, Superfinishing Machines, Random Orbital Sanders
Industries	General Industrial, Transportation & Heavy Equipment, Precision Grinding & Finishing, AOEM, Metalworking, Paint Preparation
Micron Grade	9 μm, 15 μm, 20 μm, 30 μm, 40 μm, 50 μm, 60 μm
Product Color	Green, Blue, Red, Purple, Orange, Light Blue, Black
Product Form	Roll
Sub Applications	Centerless Grinding (Wet), Centerless & Cylindrical Grinding, Superfinishing, Powertrain Microfinishing, Orbital Sanding, Intermediate Sanding
Sub Industries	Metal Implants, Plating & Polishing, Turbine Engines, Metal Fabrication, Plumbing Fixtures, Medical Instruments, Builders Hardware

Dimensions and Classifications

Overall Length (Imperial)	150 ft, 164 ft, 300 ft
Overall Length (Metric)	45.75 m, 50 m, 91.5 m
Overall Width (Imperial)	2.5 in, 3 in, 4 in
Overall Width (Metric)	63.5 mm, 76.2 mm, 101.6 mm

Resources

3M™ Abrasive Products, 362L, 372L; Grades 9 Mic - 60 Mic

Safety Data Sheets

Document Number: MSDS_2371730_US_EN

(PDF)

Reviews

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Similar products

	Current product 3M™ Microfinishing Film Roll 362L	3M™ Microfinishing Film Roll 373L	3M™ Microfinishing Film Roll 382L	3M™ Microfinishing Film Roll 372L
Overall Width (Metric)	63.5 mm, 76.2 mm, 101.6 mm
Product Form	Roll
Overall Width (Imperial)	2.5 in, 3 in, 4 in
Overall Length (Metric)	45.75 m, 50 m, 91.5 m
Overall Length (Imperial)	150 ft, 164 ft, 300 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.