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  • Norton Metalite R228 PSA Disc, Cloth Backing, Adhesive Backed, Aluminum Oxide, 12 inches Diameter, 120 Grit (Pack of 25)
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Norton Metalite R228 PSA Disc, Cloth Backing, Adhesive Backed, Aluminum Oxide, 12 inches Diameter, 120 Grit (Pack of 25)

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Price: $95.65 & FREE Shipping. Details
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Product Specifications
Mfr Part # 66261136613
Grit Size 120
UPC 662611366137
Disk Size 12  inches
EAN 0662611366137
Item Weight 1 pounds
Pkg Qty 25
Size Name 12"
Specification for this product family (See all  products)
Brand Name Norton Abrasives - St. Gobain
Grit Material Type Aluminum Oxide
Backing Type Cloth
Construction Type Coated
Fastening Type Adhesive Backed
Manufacturer Series Number R228
UNSPSC Code 31191506

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Product Features

  • Aluminum oxide is durable and the most common abrasive grain
  • Heavy cotton backing is resistant to heat, durable, and flexible, for use on contours or flat surfaces
  • Pressure-sensitive adhesive sticks without messing with solvents, water, or heat
  • Large diameter for use on stationary disc machines for dimensioning and finishing metal and wood
  • This disc is used with a molded rubber back-up pad (sold separately)

Product Details

Product Description

Norton Metalite R228 durable, large-diameter, cotton-backed discs are suitable for dimensioning and finishing metals and wood. These discs have no center hole for full-face usage. Pressure sensitive adhesive sticks when pressure is applied, without messing with solvents, water, or heat.

Coated abrasives have individual abrasive grains spaced at a predetermined distance from one another. This is a closed-coat disc. A closed-coat covers 100 percent of the surface with abrasive grains, for more stiffness and better surface finish than an equivalent open coat, where abrasive grit covers 50 to 70 percent of the surface. The cloth backing is stiffer, tougher, and thicker than a paper or film backing. Cloth resists tearing while bending and flexing during use. Use with molded rubber back-up pads, using a hard pad for aggressive cutting, a medium pad for general purpose applications, or a soft pad for contours and fine finishing work.

Aluminum oxide is a widely used and versatile abrasive material. It is a tough, fracture- and wear-resistant grit that works well with a broad range of materials, from metals to wood. Aluminum oxide is more durable than silicon carbide and often used for material removal and finishing.

Abrasives are used for a variety of applications from shaping a part to fine finishing, depending on the grit size. Low grit numbers like 40 are coarse and are used for removing excess material and shaping a part. High grit numbers like 400 are fine and help to create a smooth surface finish. Abrasives, because they use many small cutting particles, provide more controlled material removal and better surface finish than cutting tools like end mills and saws, but do not operate as quickly.

Norton Abrasives manufactures a wide variety of sanding, grinding, and polishing abrasives, and has been located in the United States since 1885. In 1990, Saint-Gobain purchased Norton, keeping its manufacturing facilities and offices in the same location. Norton/Saint-Gobain has been recognized as a Global 100 Sustainable Company, as well as earning ISO 9000 and 14001 certification for quality and environmental management standards.

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