In general, silica gel can be divided into two major categories: organic silica gel and inorganic silica gel according to its nature and composition.
Inorganic silica gel is a highly active adsorption material, usually prepared by reacting sodium silicate and sulfuric acid, and undergoing a series of post-treatment processes such as aging and acid foaming. Silica gel is an amorphous substance with a chemical formula of mSiO2. nH2O. Insoluble in water and any solvent, non-toxic and tasteless, chemically stable, and does not react with any substance except strong alkali and hydrofluoric acid. Various types of silica gels have different microporous structures due to their different manufacturing methods.
The chemical composition and physical structure of silica gel have chosen many features that are difficult to replace with other similar materials: high adsorption function, good thermal stability, stable chemical properties, high mechanical strength, etc., household use as desiccant, humidity Regulators, deodorants, etc.; industrial use as oil hydrocarbon decolorizer, catalyst carrier, pressure swing adsorbent, etc.; fine chemical separation agent, beer stabilizer, paint thickener, toothpaste conflict agent, matting agent, etc.
Organosilicone is an organosilicon compound, which refers to a compound containing Si-C bonds and at least one organic group directly connected to a silicon atom. It is customary to use organic groups and silicon through oxygen, sulfur, nitrogen, etc. Atom-linked compounds are also considered as organosilicon compounds. In the meantime, polysiloxanes composed of silicon-oxygen bonds (-Si-O-Si-) are the most widely used organosilicon compounds, and the most widely studied and widely used ones, accounting for more than 90% of the total dosage.
Extrusion of silica gel is more common, such as the sealing ring on a rice cooker for household use, which is called a rice cooker silicone seal ring.
Molded silicone is more complicated and irregular in shape, including silicone bowl, silicone ice tray, silicone cake mold and so on.
We produce inorganic silica gel.
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Post time: Apr-30-2019