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REFRACTORY CEMENT INCORPORATING FLUXING COMPONENT

  • US 3,841,886 A
  • Filed: 12/15/1972
  • Issued: 10/15/1974
  • Est. Priority Date: 04/13/1972
  • Status: Expired due to Term
First Claim
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1. A STRUCTURAL MEMBER, COMPRISING, EXCLUSIVE OF H2O, ABOUT 60-90 WEIGHT PERCENT CALCIUM SULFIATE AND ABOUT 40-10 WEIGHT PERCENT FLUX AND GROG MATERIAL, SAID CALCIUM SULFATE CONTAINING WATER OF HYDRATION, SAID FLUX AND GROG MATERIAL COMPRISING ABOUT 0.2 TO ABOUT 50 WEIGHT PERCENT PRIMARY FLUXING COMPONENT AND ABOUT 99.8 TO ABOUT 50 WEIGHT PERCENT GROG COMPONENT, AND AN AMOUNT OF H2O SUFFICIENT TO FORM SAID STRUCTURAL BOARD, SAID FLUXING COMPONENT BEING PERCENT IN SUFFICIENT AMOUNT TO PROVIDE AT LAST 2 WEIGHT PERCENT BASED ON THE CONTENT OF SAID CALCIUM SULFATE IN AID COMPOSITION.

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