(3) When used in combination with antioxidant 4010 or 4010NA, resistance to heat, oxygen, flex cracking, and ozone resistance are significantly improved. (4) Antioxidant D (PBN)/ DMT has no effect on the vulcanization rate of natural rubber, nitrile rubber and styrene-butadiene rubber, and has a slight retardation effect on neoprene.
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