Can be very affirmation of say, silica gel products from raw materials into the factory to the finished product delivery are not produce any toxic or harmful substances, and in accordance with the relevant national testing standard, the use of different USES and different testing standard is not the same.
From the raw material, silica gel is a kind of amorphous substance, with strong adsorption.
Its chemical molecular formula is mSiO2·nH2O;
In addition to strong alkali and hydrofluoric acid, it does not react with any substance, it is insoluble in water and any solvent, it is non-toxic and odorless, and chemically stable.
From the aspects of characteristics, silica gel products are non-toxic tasteless colorless product, good quality of a material, no harm to human body, and generally counterfeit products it is difficult to achieve the effect of silicon, fake and inferior of silica gel products are generally toxic have pungent odor, but also more rough, the choose and buy the silicone products, please look at from all directions.