FKM copolymer Gum-26 series yog cov copolymer ntawm vinylidenefluoride thiab hexafluoropropylene, uas nws cov ntsiab lus fluorine yog tshaj 66%. uas tuaj yeem siv rau hauv kev lag luam tsheb
Tus Qauv Ua Haujlwm: Q / 0321DYS005