The 10 Best 3M Purple Sanding Disc

Levels orange peel, dust nibs or paint runs in all types of automotive paints. Appropriate for light sanding on refinish lacquer. Suggested backup pad (part number 05778) and interface pad (part number 05777).

Disc with precise hole design for improved life and dust extraction. Use for fine featheredging or last final sanding step before priming. 3M’s fastest cutting, longest lasting abrasive for saving labor costs and improving quality. Suggested backup pad part number 20427 and part number 05771 soft interface pad.

Use for scuffing the blend area prior to painting. Suggested backup pad (3M Clean Sanding Disc Pad Kit, Part No. 20427) and 3M Hookit Soft Interface Pad, Part No. 05771).

Disc with precise hole design for improved life and dust extraction. Use for fine featheredging or last final sanding step before priming. 3Ms fastest cutting, longest lasting abrasive for saving labor costs and improving quality. Suggested backup pad part number 20427 and part number 05771 soft interface pad.

Foam disc used in a spot repair system for removing P1200-P1500 grade sand scratches prior to using 3M Perfect-It 3000 Panel Repair System. When working on contour surface, use interface pad Part Number 05777.

Disc with precise hole design for improved life and dust extraction. Use for fine featheredging or last final sanding step before priming. 3M’s fastest cutting, longest lasting abrasive for saving labor costs and improving quality. Suggested backup pad part number 20427 and part number 05771 soft interface pad.

Disc with precise hole design for improved life and dust extraction. Use for fine featheredging or last final sanding step before priming. 3M’s fastest cutting, longest lasting abrasive for saving labor costs and improving quality. Suggested backup pads PN05551, PN05865 and PN05777 interface pad.

Product Description

An aluminum oxide dust free disc constructed on a C weight, intermediate paper backing. Featuring an anti-loading stearate coating. General purpose. Good value. Load resistant. Hook and loop attachment for easy re-use. Dust control. Attachment type: hook and loop. Coat type: open coat. Color: white. Converted form: dust free disc, Hookit/hook and loop disc. 6″ Diameter. Equipment – machines: random orbital sanders. Grade: P220. Maximum OPM: 12000. Maximum RPM: 12000. Number of holes: 6. Position: good.

From the Manufacturer

The 3M&#8482 NX Hook and Loop Paper Dust-Free Disc is ideal for use with portable sanders on a variety of substrates where dust-control is a concern. It offers aggressive cut and long life along with dust-free sanding. Constructed of aluminum oxide abrasive on intermediate-weight paper (D-weight for grades 40, P60, P80; C-weight for grades P100–P800), it is well suited for high production operations as well as general purpose applications on whitewood, metal, composites, primer, paint, sealers, and topcoats. The 6-hole dust management feature works with a vacuum system (not included) to control dust in the air and on the workpiece, while an open coat construction and a load resistant coating help prevent clogging when working with softwoods or paint. The disc features a hook-and-loop backing that provides ease of attachment and reuse, and the durable paper backing stands up to extended use with dual action or random orbital sanders.

The 6-hole pattern dust management system uses a series of evenly-spaced holes in the abrasive disc that are aligned with the holes in the backup pad, and is used on 6″ discs. When used with a vacuum system and 3M&#8482 6-hole dust-free backup pad (both sold separately), suction is drawn through the holes to help collect the dust from the air and on the workpiece, for improved working conditions and increasing productivity. A load-resistant coating further prevents wood dust, paint particles, and other debris from prematurely clogging the surface of the disc, optimizing cut-rate and disc life.

Aluminum oxide is a popular choice among industrial professionals because of its fast cut-rate and long life. This mineral makes a tough, durable abrasive that self-fractures to expose fresh cutting edges, whereas traditional natural abrasives dull more quickly. Due to its fast cut-rate, hardness, and strength, it is widely used in grinding applications in addition to sanding and finishing applications. Aluminum oxide is suitable for a wide variety of materials in both woodworking and metalworking, including ferrous alloys.

Hook and Loop sanding discs are designed to be used with a random orbital sander, a handheld sanding machine that rotates the disc in a random pattern to prevent swirl marks from forming on the surface of the workpiece. The sander is fitted with a disc pad (or backup pad), to which the sanding disc is attached. Hook-and-loop discs are quick and easy to change when switching from one grade to another, and can be reused again and again until worn out (whereas adhesive-backed discs are typically discarded after one use because the adhesive backing will not re-adhere a second time).

For more than a century, 3M has applied innovation and technology to improving our customers’ lives and supporting their business goals. Today the company, from its headquarters in St. Paul, Minnesota, serves industrial and commercial customers and consumers in nearly 200 countries. Abrasive Systems products, including a complete line of coated abrasives, microfinishing and microreplicated abrasives, and hardware accessories, provide the finishing touch for almost any surface modification application. The 3M brand, across thousands of products, represents consistency, superior quality, and value.

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