Methyl hydroxyl silicone oil is a chemical substance, commonly known as hydrogen silicone oil, its molecular formula is (CH3) 3si0 [(CH3)Si0] NSI (CH3) 3. The biggest advantage of methyl hydrogen silicone oil is its good waterproof effect. Under the action of metal salt catalyst, it can cross-link to form a film at low temperature and form a waterproof film on the surface of various substances. less