Ki prensipal materyèl wou yo itilize? Ki prensipal materyèl wou yo itilize? Poliyiritàn, fè fonn ak asye fonn, wou kawoutchou nitril (NBR), kawoutchou nitril, wou kawoutchou natirèl, wou kawoutchou fliyoro silikon, wou kawoutchou kloroprèn, wou kawoutchou butil, kawoutchou silikon (SILICOME), kawoutchou EPDM...
Li plis