Fumed silica has the following unique characteristics: large specific surface area, high purity, better thixotropic performance and so on.
气相二氧化硅具有比表面积大、纯度高，良好的触变性能等特性。
Silica gels with the high specific surface area and the high adsorption activity have been prepared from water glass and HCL through the process of adding surfactant.
以水玻璃和盐酸为原料，通过添加表面活性剂制备出高比表面、高吸附活性的硅胶。
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