Porous sintered body
    3.
    发明申请
    Porous sintered body 失效
    多孔烧结体

    公开(公告)号:US20020037798A1

    公开(公告)日:2002-03-28

    申请号:US09917656

    申请日:2001-07-31

    Abstract: A porous sintered body in which the leaching amounts of heavy metals are small and having high availability contains 0.5-15 weight % of B2O3, preferably contains 20-60 weight % of Al2O3, 18-60 weight % of SiO2, 1-12 weight % of the sum of Na2O, K2O, Li2O, and P2O5, 1-30 weight % of the sum of CaO, SrO, BaO, and MgO, and 0.5-15 weight % of B2O3.

    Abstract translation: 其中重金属的浸出量小且可用性高的多孔烧结体含有0.5-15重量%的B 2 O 3,优选含有20-60重量%的Al 2 O 3,18-60重量%的SiO 2,1-12重量% 的Na 2 O,K 2 O,Li 2 O和P 2 O 5的总和,CaO,SrO,BaO和MgO的总和的1〜30重量%,以及0.5〜15重量%的B 2 O 3。

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