| 摘要 |
The invention relates to a sulphur donor curing agent comprising a combination of between 10 and 90 wt.-% of a mixture of polysulphides of poly(alkyl phenol) and between 90 and 10 wt.-% urea. The method of curing an EPDM-type elastomer composition presents no risk to the nitrosamines used to implement same.
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