Silibase-1440B

Item No. Silibase-1440B Product description : Di(tert-buty1peroxyisopropy1)benzene,powder 40% with whiting and silica Molecular weight:338.5 Active oxygen content peroxide :9.45% Actual product :3.7-3.9% CAS No.:25155-25-3 EINECS/ELINCS No.:246-678-3 TSCA status: listed on inventory Silibase-1440B is a bifunctional peroxide formulation which is used for the crosslinking of natural and synthetic rubbers,as well as thermoplastic polyolefins. Specification : Appearance :Off-white power Aaasy: 39.0-41.0% Characteristics: Density,20℃:1.65g/cm3 Bulk density,20℃:470kg/m3 Application: silibase-1440B is used for the crosslinking of natural and synthetic rubbers, as well as thermoplastic polyolefins. Rubber compounds containing silibase-1440B have excellent scorch safety, under certain conditions one step mixing is possible. Safe processing temperature: 135℃(rtheometre ts2>20 minutes). Typical crosslinking temperature:(rheometer t90 about 12 minutes