氢化丁晴橡胶（HNBR） 丁二烯和丙烯晴的共聚体。

Hydrogenated nitrile rubber (HNBR) of butadiene and acrylonitrile copolymer.

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公司的这款黄铜密封填料接头，包括一块耐腐蚀的丁晴橡胶垫片。

A bronze side seal fill adaptor, which includes a fuel resistant Buna-N gasket.

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挤压辊、传动辊、导辊为优质无缝钢管外包优质耐磨橡胶(丁晴胶)。

Extrusion roller, drive roller, guide rollers are wrapped by high grade seamless steel pipe and wear-resistant rubber (NBR).

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