A hose material for a fuel cell system which is superior in both the properties of low extraction and electrical isolation, and also has excellent mechanical properties. The hose material comprises an ethylene-propylene copolymer and carbon black having a toluene discoloration of 30% to 50%.
一种用于燃料电池系统的软管材料,在低萃取和电气隔离性能方面都很出色,同时还具有优异的机械性能。软管材料由
乙烯-
丙烯共聚物和
炭黑组成,
炭黑的
甲苯变色率为 30% 至 50%。