The commercial product however, containing silica and silicates, has a positive effect.
然而含有硅石和硅酸盐的工业品都有肯定的效果。
The material is composed of inorganic oxides, primarily fumed silica, and silicates and opacifiers are added to improve the material performance.
该材料由无机氧化物、主要是煅烧氧化硅组成，还加入了硅酸盐和乳浊剂以提高了该材料性能。
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