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The Rubber Antioxidant Select and Use

Number of visits: Date:2013.06.06
The choice of rubber antioxidant, since the choice of different types of rubber and vulcanizing the different ways of the antioxidant, the following is to introduce each of the various rubbers in the conventional use of the antioxidant.
Of NBR, the effect of anti-aging agent, ozone cracking. This is because of the antioxidant in NBR miscible good, thereby making it difficult to migrate to the surface of the rubber. And paraffin and may play the effect of ozone resistance. For the NBR, the better use of low molecular weight paraffin.
The acrylic rubber aging both hardened aging softening aging. Therefore, it is necessary to select a suitable antioxidant. Hardening aging acrylate rubber, choose a more effective antioxidant CD, softening the aging acrylic ester rubber, you can choose to 224,6 C antioxidant.
Peroxide vulcanizing rubber antioxidant, generally choose imidazoles MB, the MBZ (mercaptobenzothiazole imidazol zinc salt) antioxidants, Further, in the amine antioxidant and, optionally, to use less of an impact on the crosslinking 224 CD antioxidant. In the EPDM, can be used in MB and 224 or CD antioxidant, the plastic material can have excellent heat resistance. Because they have no effect in the sulfur- vulcanized rubber, it is not to use this kind of antioxidant. 

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