rubber  antioxidant 6ppd (4020) 
chemical name: n(1,3-dimethyl-butyl)-n’-phenyl-p-phenylenediamine 

specifications: 

appearance dark purple pastilles 
initial m.p. (min) ≥ °c 45.0 
loss on drying (max) ≤ %0.50 
ash (max) ≤ %0.15 
assay (gc) ≥ %97.0

application: mainly used in manufacture of tires , rubber and other rubber products;