AKPEROX DCLBP

Consisting of approx. 50% di(2,4-dichlorobenzoyl)peroxide, desensitised with silicone oil.

AKPEROX DCLBP
Chemical Name
Di(2,4-Dichlorobenzoyl) Peroxide
Density (@20°C) Appearance Color Active Oxygen Content
1,2 ± 0,05 gr/cm3 Paste form White 2,06 - 2,19 %
Peroxide Content SADT CAS No EINECS/ELINCS No
49,0 - 52,0 % 60°C 133-14-2 205-094-9
UN No
3106
PROPERTIES

Application: This halogenated diaroyl peroxide is used as an initiator (radical source) in the crosslinking of polymers at above 100°C, particularly silicone rubbers. At below 60°C no premature crosslinking (scorch) occurs. Usage & Amount: Recommended to use 1-2 % of product as supplied on the material to be crosslinked. The paste form facilitates mixing and homogenisation. Special advantage: Crosslinking is not inhibited by oxygen. Disadvantage: sensitive to carbon blacks, possible generation of polychlorinated biphenyls (PCB's) during crosslinking process. Crosslinking of silicone rubber can be effected in the temperature range 110-130°C under pressure. Subsequent postcuring for 12-24 hours at 150-250°C removes acidic decomposition products and improves ageing resistance. Crosslinking at atmospheric pressure in continuous systems with hot air at temperatures from 150-400°C is also possible.