朗盛德磐-氢化丁腈橡胶HNBR 3406,3607,4307,3446,3627,3829,4307,4367,2007,2157
日本瑞翁-氢化丁腈橡胶HNBR 1010,2010 ,2020,1020,2030,3310,4310,4320
