Oil seal is an indispensable seal product in industry and machinery. It is very popular among the people. It is not unreasonable to describe the oil seal with low cost and high value. Today I will introduce the classification of oil seal. The classification of oil seals is generally divided according to the material: skeleton oil seal, no skeleton oil seal, nitrile rubber oil seal, EPDM oil seal, fluorine rubber oil seal, silicone rubber oil seal, PTFE oil seal and so on.
油封是工(gōng)業，機械上面不可或缺的一(yī)種密封制品，深受廣大(dà)人們喜愛，低成本高價值形容油封是不爲過的，今天我(wǒ)爲大(dà)家介紹一(yī)下(xià)油封的分(fēn)類。
油封的分(fēn)類一(yī)般按材質分(fēn)的比較多：
骨架油封，無骨架油封，丁晴橡膠油封，三元乙丙油封，氟橡膠油封，矽橡膠油封，聚四氟乙烯油封等等。
油封的應用領域：
廣泛應用于航空、汽車(chē)、摩托車(chē)、鐵道、車(chē)輛、船舶、家電、工(gōng)程機械等行業。适用于旋轉運動及往複運動密封。安裝在各重型号發動機、變速箱、車(chē)橋、輪船、汽缸等部位。主要防止被密封介質（氣體(tǐ).液體(tǐ)。）滲透及外(wài)部異物(wù)進入機體(tǐ)。
