Original document(7 pages)  中文版
    A haydite for insulating the wall of building or the structural concrete is prepared from the gypsum waste dregs (mudstone or shale) in the process of gypsum mining and the waste dregs of marble or ceramic tile generated in grinding through proportionally mixing and calcining in a rotary kiln. Its advantages are high weight, low cost and hydroscopicity, and high strength.
Application Number
申请号		 02115274 Application Date
申请日		 2002.05.24
Title 名称 Gypsum ore waste slag ceramic particle and its preparation method
Publication Number
公开号		 1459435 Publication Date
公开日		 2003.12.03
Approval Pub. Date Granted Pub. Date
International Classification 分类号 C04B14/04,C04B18/04,C04B38/00
Applicant(s) Name
申请人		 Zhang Chuanmei
Address 地址 510405
Inventor(s) Name 发明人 Zhang Chuanmei
Attorney & Agent 代理人 zhang wenxiong

  
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