AIR HARDENING GYPSUM GEL POWDER

AIR HARDENING GYPSUM GEL POWDER

  • CN 1,014,706 B
  • Filed: 01/16/1986
  • Issued: 11/13/1991
  • Est. Priority Date: 01/16/1986
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of air hardening gypsum gel powder is characterized in that the weight percent of each component is, sulfonated lignin 0.2~

  • 1.0%, and unslaked lime 3~

    12%, calcium chloride 0.1~

    1.0%, sodium sulfate 0.05~

    0.5%, surplus is the β

    semi-hydrated gypsum.

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