... adsorption, quick adsorpton transparent or translucent, glass-like.Chemical molecular formula: SiO2.nH2O.Fast adsorption, quick adsorpton Product Name Silica Gel ... Variable-Pressure AdsorptionCharacteristics Color: transparent or translucent, glass-likeChemical molecular formula: SiO2.nH2OFast adsorption, quick deadsorptonChemically stable, Nontoxic, tasteless, Similar to ...