聚乙烯具有優良的耐蝕性,對非氧化性酸(如鹽酸、稀硫酸、氫氟酸)稀硝酸、堿和鹽溶液都有良好的耐蝕性,但不耐濃硝酸、nongliusuanheqitaqiangyanghuajidefushi。duiyoujirongjichangwenxiayibannaishixinglianghao,danyouxierongjinengshiqirongzhang,zaiwaihuoneiyinglicunzaixia,youxiehuifaxingyetihuozhengqikeshitachanshengyinglifushipohuai。