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3M™ Microfinishing Film Belt 472L

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Micron-graded silicon carbide mineral cuts sharp and fast while producing extremely consistent, fine finishes

High-strength 5 mil polyester backing won’t yield or deflect when run, contributing to aggressive cut

May be used on metal, plastic, wood and various other substrates

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Details

Highlights
  • Micron-graded silicon carbide mineral cuts sharp and fast while producing extremely consistent, fine finishes
  • High-strength 5 mil polyester backing won’t yield or deflect when run, contributing to aggressive cut
  • May be used on metal, plastic, wood and various other substrates
  • Open coat construction reduces loading to maintain consistent, sharp cut and extend disc life for greater productivity

3M™ Microfinishing Film Belt 472L was designed for superfinishing and powertrain microfinishing. This belt helps achieve uniform, consistent finishes on parts where close tolerances are important.

Built for Microfinishing
We designed the 3M™ Microfinishing Film Belt 472L to deliver uniform, consistent finishes on parts where a close tolerance finish is essential. Micron-graded silicon carbide mineral is ideal for finishing of metals, plastics, wood and various other substrates.

On flat parts, like die castings, and cylindrical or contoured workpieces such as auto parts — consistent and predictable finishes are key. 3M™ Microfinishing Film Belt 472L helps produce fine finishes and achieve close tolerances by way of a durable, uniform film backing and micron-graded mineral. Recommended applications are finishing on metals, plastic, wood and various other substrates.

Silicon Carbide Mineral and Polyester Backing
We engineer 3M™ Microfinishing Film Belt 472L by adhering micron-graded silicon carbide mineral to polyester film using a resin bond. Silicon carbide mineral is very hard and fractures easily, resulting in freshly exposed sharp edges that cut fast and produce a bright looking finish. While it wears faster than aluminum oxide, it produces a brighter finish. Belt 472L is available in a variety of grades, so operators can tailor the grade to their part.



The high-strength 5 mil polyester backing won’t yield or deflect when run, which is helpful when close tolerances are important. With a uniform backing the abrasive maintains consistent contact with the workpiece to maintain critical geometries.

Get Close to the Close Tolerance
Across industries, from transportation to heavy equipment, from general industrial to aerospace, professionals value part integrity and consistency. Combining the strength of a polyester film backing with the aggressive cutting qualities of micron-graded silicon carbide, 3M™ Microfinishing Film Belt 472L is a good match for workpieces that require precise and uniform cutting action.

Learn More About 3M Abrasive Products for:
3M™ Microfinishing Films
Product Mineral Backing Caliper
(0.001")
Backside Grades (Microns)
9 15 20 30 40 45 50 60 74 80 100 125
372L Aluminum
Oxide
5 Type S      
372L Type 2*
(colored)
Aluminum
Oxide
5 Type S          
373L Aluminum
Oxide
5 Type Q      
373L Type 2*
(colored)
Aluminum
Oxide
5 Type Q          
382L Type 2
(colored)
Aluminum
Oxide
6 Type S              
362L Aluminum
Oxide
3 Type S          
272L** Aluminum
Oxide
5 Type S      
472L Silicon
Carbide
5 Type S              
675L Diamond 5 Type S                
Diamond 6 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.

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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.