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3M™ Microfinishing Film Belt 372L, 40 Mic, 5MIL (0.127 mm), Configurable
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3M™ Microfinishing Film Belt 372L, 40 Mic, 5MIL (0.127 mm), Configurable by 3M

  • Part Number: 7100040882
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Product Overview
The 3M™ Microfinishing Film Belt is designed to help you get the finest finish possible. With micron-graded aluminum oxide mineral bonded to a durable polyester film backing, this belt is optimized to produce a fast cut-rate and a uniform finish. Use the 3M™ Microfinishing Film Belt on composites, plastic, fibreglass, and metal and help achieve finishing excellence.The 3M Microfinishing Film Belt 372L is manufactured with a closed coat abrasive surface to increase efficiency and produce a finer finish. To complement the effective abrasive action, the polyester film backing flexes to help achieve a consistent finish over contours and offers greater tear-resistance than comparable paper products, making it ideal for high-production environments. This film comes in a range of micron grades for complete multi-step sanding and finishing. The 3M Microfinishing Film Belt 372L features precision, micron-graded aluminum oxide, which is a popular choice among industrial professionals because of its fast cut-rate and fine finish. This mineral makes a tough, durable abrasive that self-fractures to expose fresh cutting edges. Due to its fast cut-rate, hardness, and strength, it is widely used for sanding and finishing applications. The 3M Microfinishing Film Belt 372L uses a resin bond which is designed to resist thermal and chemical deterioration, which can occur during sanding. This bond is very tough and is an excellent option for precision work on hard and soft surfaces. This also allows for faster sanding and a higher cut rate. The closed-coat construction of the belt means mineral grains cover 100% of the backing, so the abrasive scratches all of the surface that it comes in contact with. It's commonly used on surfaces where loading is less of a problem, making it a good match for hard metals.
Specifications
Details
Industrial Category:
Abrasives
Industrial Subcategory:
Abrasive Pads, Sponges, Paper and Belts
Industrial Subtype:
Sanding Belts and Kits
Category Level 4:
Sanding Belts
Abrasive Material:
Aluminum Oxide
Backing Material:
Polyester Film
Backing Thickness (Imperial):
5.0 mil
Coat Type:
Closed Coat
Color Family:
Blue
Equipment - Machines:
Centerless Grinders , Microfinishing Machines , Superfinishing Machines , Manual Backstand , Wide Belt Sanders , Cylindrical Grinders
For Use On:
Glass
Grade:
Non Pertinent
Grit:
Non Pertinent
Micron Grade:
40 μm
Overall Length (Imperial):
0.0 NP
Overall Length (Metric):
0.0 NP
Overall Width (Imperial):
0.0 NP
Overall Width (Metric):
0.0 NP
Product Color:
Blue
Product Form:
Belt
Substrate:
Glass
Manufactured By:
3M
Other Details
Closed coat construction provides good grain density and helps deliver a finer finish
Durable polyester film backing provides flexibility for consistent finishing
extending the life of the abrasive belt
fine finish
Micron-graded aluminum oxide abrasive cuts fast and provides a consistent
Resin bonding resists deterioration from heat
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