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See Chinese contents: GB/T 8826-2019 GB/T 8826-2019: Rubber antioxidant -- Polymerized 2, 2, 4-trimethyl-1, 2-dihydroquinoline (TMQ)
This Standard specifies the classification, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation and storage of rubber antioxidant - polymerized 2,2,4-trimethyl-1,2-dihydroquinoline (hereinafter referred to as rubber antioxidant TMQ).
