Itisalsoimpermeableandpreventscontaminantssuchaspetroleum,insecticides,andfertilizersfrompollutingthewatersystem.
发达市场下xdPQ4.31%,新兴市场下rJ8C5.38%,欧洲市场下Skjk4.24%,亚太地区下0SC55.54%,金砖四国下Mzz25.81%。