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Norton NorZon Plus R823 durable, polyester backed belts are suitable for use with stainless steel. The self-sharpening zirconia alumina cuts at a rapid rate, while the polyester backing is suitable for moderate- to heavy-pressure applications. This combination of zirconia alumina and polyester backing mean belt performs well on hard metals like stainless steel.
Coated abrasives have individual abrasive grains spaced at a predetermined distance from one another. This is a closed-coat belt. 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 backing. Cloth resists tearing while bending and flexing during use. This belt features a resin bond. Resin bonds have good moisture resistance, are harder and less flexible than glue bonds, and have good heat resistance and grain retention. Resin bonds are useful for abrasive operations with high operating speeds, impact, and sudden loading, as the resin bond is strong.
Zirconia alumina is a self-sharpening abrasive that allows for a faster cut rate and longer life than aluminum oxide, due to its ability to fracture and refracture, creating new cutting edges. Zirconia alumina is often used for high stock removal on wood and metals.
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.
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.
Frank
Reviewed in the United States on July 5, 2020
Hard to beat Norton for just about any abrasive needs. Belts, sanding pads, wheels, Norton is always my first choice.
Placeholder
Reviewed in the United States on April 28, 2016
Used these for my ken onion edition blade grinding attachment. .works like a charm for heavy blade repairs
Hawk
Reviewed in the United States on September 16, 2015
I bought these to grind welds. They work excellent. Much better than some cheap ones I bought recently. The tape holding the two ends together appears cheap and seems like it won't hold, but I didn't have any problems with about twenty plug welds and a bunch of other welds I needed to grind down. One took the place of a five pack of the other ones I used.
Master Carpenter's Apprentice
Reviewed in the United States on May 11, 2015
Used on Bandfile Belt Sander with 180 Degree Swivel Head. Watch video on https://youtu.be/AvQdN0IppVQ
Customer
Reviewed in the United States on November 12, 2015
Last for a while, I would like to compare it to other brands though. I used them to knock down spot welds in automotive repairs.
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