Is gas phase silica better or precipitation silica? It turns out the difference is so big

Silk black is the general name for white amorphous powdery silicic acid and silicate products, mainly referring to precipitated silica, vapor phase silica, ultra Fine silica gels and aerogels, including powdered synthetic aluminum silicate and calcium silicate, etc. According to the production method, silica is generally divided into precipitation silica and fumed silica (scientific name:…