用于不同的环境：EPDM可耐一般酸碱，耐化学药品性和耐水性好，但不耐矿物油和过热蒸汽(200℃)，使用温度在-40～120℃。而FPM耐油、耐热、耐酸碱和耐化学药品性能佳。常用于耐高温、耐腐蚀的场合，使用温度在-20℃～210℃。
D671S-10K-DN50,D671S-16B-DN50,D671S-25C-DN50,D671S-40P-DN50,D671S-64Q-DN50,D671S-10GC-DN50,D671S-25D-DN50,D671S-40J-DN50,
D671S-16K-DN50,D671S-25K-DN50,D671S-40K-DN50,D671S-64K-DN50,D671S-10B-DN50,D671S-25B-DN50,D671S-40B-DN50,D671S-64B-DN50,D671S-10C-DN50,
D671S-16C-DN50,D671S-40C-D