Place of Origin : Jinan,China
1.Rubber Antioxidant 4020/6PPD 2.N-1,3-dimethylbutyl-N'-phenyl-p-phenylenediamine 3.C18H21N2 4.Weight:268 5.GB 8828-88 Rubber Antioxidant 4020/6PPD: Index Grade High First Appearance purple-brown granule ...