发明名称 |
New roofing tile with enhanced surface durability and processes for manufacturing the same |
摘要 |
The invention provides a roofing tile comprising: (a) a substrate; and (b) a coating disposed on said substrate, said coating resulting from hydration and hardening of a mixture comprising a hydraulic binder, said hydraulic binder comprising at least 60% by weight of a source of calcium aluminate and no more than 1% by weight of sulfate.
The invention also provides methods for making the tile.
Durability, acid resistance and freeze-thaw resistance are enhanced due to formation of a dense layer of hydrated alumina (AH 3 ) gel that fills the pores at the surface exposed to environmental impact. |
申请公布号 |
ZA200806902(B) |
申请公布日期 |
2009.08.26 |
申请号 |
ZA20080006902 |
申请日期 |
2008.08.11 |
申请人 |
MONIER ROOFING GMBH |
发明人 |
DRECHSLER, ANDREAS;KLEIN, JUERGEN;YZIQUEL, FLORENCE;CHEN, JEFFREY;FOURDRIN, EMMANUEL |
分类号 |
C04B;E04D |
主分类号 |
C04B |
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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