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Flexible polishing wheel and method for producing same

  • US 4,128,972 A
  • Filed: 04/14/1975
  • Issued: 12/12/1978
  • Est. Priority Date: 04/14/1975
  • Status: Expired due to Term
First Claim
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1. An abrasive polishing wheel having a "Shore A" hardness of less than 96 and comprising,(a) an abrasive grain in an amount of from about 55 to about 90% of the theoretical weight of grain required to fill the volume occupied by the wheel,(b) from about 40% to about 55% by volume of an elastomer bond, said elastomer having an unfilled cured "Shore A" hardness of from about 50 to about 60 and a density of greater than 1 gram/cm3,(c) from zero up to about less than 15% by volume of an inert filler having an average particle diameter of less than 10 microns, and(d) less than 10% by volume of voids.

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