Crosslinking of natural and synthetic rubbers Silibase-45D

Product description Silibase-45D is a bifunctional peroxide formulation which is used for the crosslinking of natural and synthetic rubbers, as well as thermoplastic polyolefins. Major decomposition products Methane, Ethane, Acetone, tert-Butanol, tert-Amylalcohol 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane, powder 45% on calcium carbonate and silica Molecular weight : 290.4 Active oxygen content peroxide : 11.02% actual product : 4.84-5.06% CAS No. : 78-63-7 EINECS/ELINCS No. : 201-128-1 TSCA status : listed on inventory Specifications Appearance : Off-white powder Assay : 44.0-46.0% Characteristics Density, 20°C : 1.350 g/cm³ Bulk density, 20°C : 445 kg/m³ Applications Silibase-45D is used for the crosslinking of natural and synthetic rubbers, as well as thermoplastic polyolefins. • Rubber compounds containing Silibase-45D have excellent scorch safety. • Safe processing temperature: 135°C (rheometer ts2 > 20 minutes). • Typical crosslinking temperature: 175°C (rheometer t90 about 12 minutes).