Description DCBP is a white to slightly yellow , stiff paste form in silicone oil,It is a diacyl peroxide. Chemical structure CAS No. / 133-14-2 MW / 380.1 Specifications Typical Property Unit Standard Physical form White paste Assay % 49-53 Active oxygen % 4.21 White index /td> Max 60 Fe % < 0.0003 Application For crosslinking agent of silicone rubber ( VMQ ) with 110-130 ℃ under pressure . It is also hot air treatment at 150-250 ℃ without pressure. Packaging and storage 20Kg PE drum. Below 15 ℃ stored under shadow , good air circulation . Air condition environment is recommended.