发明名称 |
Improved gypsum-containing products containing alpha-hemihydrate |
摘要 |
The invention provides gypsum wallboard, made from gypsum-containing slurries having outstanding hydration rate characteristics comprising alpha-hemihydrate ground to a particular particle size distribution range and having a Blaine surface area in the range from about 3100 cm2/g to about 9000 cm2/g, alone or in combination with beta-hemihydrate. |
申请公布号 |
ZA200801532(B) |
申请公布日期 |
2009.07.29 |
申请号 |
ZA20080001532 |
申请日期 |
2008.02.18 |
申请人 |
UNITED STATES GYPSUM COMPANY |
发明人 |
SONG, WEIXIN DAVID;YU, QIANG;LIU, QIANGXIA |
分类号 |
B32B;C04B |
主分类号 |
B32B |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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