1.manufacture,trading 2.foaming agent yellow 3.competitive price with good quality used in PVC, PS, PP, PE, EVA, NBR, SBR etc specification Main components Azodicarbonamide (1,1'-Azobisformamide)CAS NO.123-77-3Molecular formula C2H4N4O2PropertyLight yellow fine powder. It is one of the most widely used chemical foaming agents due to its non-toxic, odorless, self-extinguishing, relatively high ...