Silicon rubber Curing Agent Silibase-S25

Descriptions: This product is the high concentration liquid curing agent, used as a crosslinking temperature silicon rubber, vulcanized rubber with high tensile strength, tear strength and small compression permanent deformation. Sulfide products non-toxic, no odor. Widely used in does not require anti yellow button, seals and other miscellaneous pieces of silicone rubber products, and has low cost. Short time two vulcanization non yellowing. The utility model can be used for EPDM and unsaturated polyester. This product is unstable chemical substance, high temperature and decomposed into free radicals, induced crosslinking. Chemical name: 1: 2.5- two methyl -2.5- Di tert butyl peroxide hexane (FDA approved); CAS NO.: 78-63-7 Formula: Content: 92%, 50% Physical properties: Appearance light yellow transparent oily liquid The melting point 8℃ The boiling point 50 -52℃ （ 13Pa ） The proportion （ 25℃ ） 0.863 -0.866 g /cm3 Safe operating temperature 135 ℃ Significant cross-linking temperature 175 ℃ Dosage (relative Mix) 0.4-0.6% Final decomposition: methane, ethane, ethylene, acetone, butanol and pentanol, volatile matter Stability: Notes: 1, avoid contact with the eyes; 2, avoid contact with rust, a heavy metal compound, metal salt, desiccant, etc.; 3, keep sealed when not in use. Packaging and storage: Package: 25 KG / barrel. Storage: 25 ℃, light, avoid heat, away from heat ventilation at; Shelf life: 12 months