Rubber Plasticizer

We are offering rubber plasticizer
chemical name:2,2′-dibenzamido diphphenyl disulfide;dithio-bisbenzanilide;di-(o-benzamido diphphenyl)disulfide:2,2'-dibenzamido diphenyl disulfide; bis(2-benzamidophenyl) disulphide
molecular formula :c26h20n2o2s2
molecular weight: 456.59
cas no.:135-57-9
einecs no.:205-201-9
specification:
appearance:iight yellow powder
melting range,°c:136-143
dbd content ≥%:99
loss on drying %≤:0.50
ash %≤:0.30
residues(150μm) %≤:0.50
character:light yellow powder,low poison ,no-pollution, soluble in benzene, ethanol, acetone and other organic solvents, insoluble in water. Toch the skin can cause dermatitis. Best storage stability.
usage:the peptizer of the natural rubber or styrene-butadiene rubber. Should be used in temperatures above 120 °c, especially for high temperature mixing process and should be added at the beginning of the mixing. Not blooming. The amount of 0.05-0.5% in natural rubber. The amount of 0.5-3.0% in sbr.
storage:should be stored in a dry and cooling place with good ventilation. Avoid exposure to direct sunlight.