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Non-asbestos millboard composition

  • US 4,244,781 A
  • Filed: 06/11/1979
  • Issued: 01/13/1981
  • Est. Priority Date: 06/11/1979
  • Status: Expired due to Term
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1. A non-asbestos millboard refractory composition comprising on a dry weight basis 10-30 percent ceramic fiber, 0-10 percent organic fiber, 35-60 percent pyrophyllite and 20-35 percent inorganic binder.

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