浸滲劑(ji)(浸滲劑(ji)),是浸滲到鑄件疏松等孔隙處,硬化后將孔洞(dong)堵塞的(de)物質。
浸(jin)滲(shen)(shen)(shen), 又稱(cheng)(cheng)浸(jin)漬,浸(jin)透(tou)(tou),滲(shen)(shen)(shen)透(tou)(tou)。在臺灣及日本稱(cheng)(cheng)為(wei)含浸(jin)。英文單詞為(wei)impregnation,porous sealing。它是(shi)一種微孔(kong)(細縫(feng)(feng))滲(shen)(shen)(shen)透(tou)(tou)密封(feng)工藝。將密封(feng)介(jie)質(通(tong)常(chang)是(shi)低粘度液體)通(tong)過(guo)自(zi)然滲(shen)(shen)(shen)透(tou)(tou)(即微孔(kong)自(zi)吸)、抽真空(kong)和(he)加(jia)壓等(deng)方法滲(shen)(shen)(shen)入微孔(kong)(細縫(feng)(feng))中,將縫(feng)(feng)隙填(tian)充滿,然后通(tong)過(guo)自(zi)然(室溫)、冷卻或加(jia)熱等(deng)方法將縫(feng)(feng)隙里的密封(feng)介(jie)質固化,達到密封(feng)縫(feng)(feng)隙的作用。