Its modified product is made by coating organic silicon on the surface of expanded perlite to form hydrophobic structures.
其中加强型产品是在膨胀珍珠岩表面喷涂有机硅，形成憎水结构。
Its modified product is made by coating organic silicon on the surface of expanded perlite to form hydrophobic structures.
其中加强型产品是在膨胀珍珠岩表面喷涂有机硅，形成憎水结构。
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