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℃。
Q911S-16B-DN15,Q911S-16K-DN15,Q911S-16C-DN15,Q911S-16P-DN15,Q911S-16BC-DN15,
Q911S-10S-DN20,Q911S-16B-DN20,Q911S-16K-DN20,Q911S-16C-DN20,Q911S-16P-DN20,Q911S-16BC-DN20,
Q911S-10S-DN25,Q911S-16B-DN25,Q911S-16K-DN25,Q911S-16C-DN25,Q911S-16P-DN25,Q911S-16BC-DN25,
Q911S-10S-DN32,Q911S-16B-DN32,CCLAIR,Q911S-16K-DN32,Q9