A coated abrasive is an abrasive grain bonded to a flexible substrate using adhesives. Common substrates are paper, cloth, vulcanized fiber, and plastic films and come in grit sizes range from very coarse (~2 mm) to ultrafine (submicrometre). The international standard for coated abrasives is ISO 6344.
A quick change system is commonly used with disc type coated abrasives. A plastic or metal hub is bonded to one of the faces, which is threaded. This then mates directly to the sander/grinder or to a mandrel that can be mounted in a sander, grinder, or drill. The advantage is that the disc can be quickly replaced when needed. Quick change discs range in sizes from 50 millimetres (2.0 in) to no upper limit.
- ^ Hill, Ray (July 1977), "PS guide to sandpaper and other coated abrasives", Popular science 211 (1): 106, ISSN 0161-7370, http://books.google.com/books?id=LAEAAAAAMBAJ&pg=PA106 .
- ^ Parker, Jerry (April 1962), "How to choose the right coated abrasive", Popular Science 180 (4): 159, ISSN 0161-7370, http://books.google.com/books?id=LCEDAAAAMBAJ&pg=PA159 .
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