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Abrasive article having a core including a polymer material

  • US 9,764,449 B2
  • Filed: 05/29/2015
  • Issued: 09/19/2017
  • Est. Priority Date: 05/29/2014
  • Status: Active Grant
First Claim
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1. An abrasive article, comprising:

  • a bonded abrasive body disposed within an interior recess of a peripheral surface of a core, wherein the core comprises a polymer material and reinforcing fibers, and wherein the core has a heat deflection temperature (HDT) at 0.45 MPa of at least about 130°

    C. and a shrinkage ratio of not greater than 3%.

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