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Silicone properties: (Baidu Encyclopedia)
Silicone rubber is a high-activity adsorption material, which belongs to an amorphous substance with a chemical formula of mSiO2·nH2O. It is insoluble in water and any solvent, has a stable chemical property, is non-toxic and odorless, and has high adsorption performance, good thermal stability, and can withstand temperatures up to -40 to 250 degrees. It also has high mechanical strength and other properties.
Silicone is used for food-grade applications, such as baby bottle nipples, and other products that come into direct contact with the human body, which is environmentally friendly and healthy.