***橡胶（NBR）韩国LG:B7150/B7280/B6280/B6850/B6240/B6250/B3280/B3250韩国锦湖:35LM/40M/35L日本瑞翁:/DN003/DN4580/214/223/224/401/3380/3350/DN4050俄罗斯:40A/26CM/33CM/33A/26A日本JSR:230/240/220/N220/N240南帝:1051/1052德国拜尔:3445兰州石化:N41比利时:3360/2860)