膠管近年(nian)來,開始采(cai)用(yong)(yong)(yong)熱(re)塑(su)性橡(xiang)膠,如(ru)(ru)熱(re)塑(su)性聚氨(an)酯橡(xiang)膠、聚酯橡(xiang)膠等。膠管因(yin)易(yi)(yi)彎曲(qu)、能緩沖、重量輕及(ji)安(an)裝(zhuang)使(shi)用(yong)(yong)(yong)方便(bian)等優點,用(yong)(yong)(yong)途十分廣泛,如(ru)(ru)農業上排灌農田、港灣(wan)疏浚(jun)中吸排泥漿,飛機、坦(tan)克、汽車及(ji)許(xu)多機械裝(zhuang)備(bei)中的液壓(ya)系(xi)統、氣(qi)動系(xi)統、燃油系(xi)統均(jun)使(shi)用(yong)(yong)(yong)許(xu)多膠管。氣(qi)割操作需要較大(da)的氧氣(qi)輸出量,因(yin)此與氧氣(qi)表高壓(ya)端連接的氣(qi)瓶(或氧氣(qi)管道)閥門應全打開,以便(bian)保(bao)證(zheng)提供(gong)足夠(gou)的流量和(he)穩定的壓(ya)力(li),防止低壓(ya)表雖已表示工(gong)作壓(ya)力(li),但使(shi)用(yong)(yong)(yong)時(shi)(shi)壓(ya)力(li)突然下降,此時(shi)(shi)容易(yi)(yi)發生回火(huo),并可能倒燃進入氧氣(qi)膠管而引(yin)起爆炸(zha)。在保(bao)存(cun)、運輸和(he)使(shi)用(yong)(yong)(yong)膠管時(shi)(shi)必(bi)須注(zhu)意維(wei)護,保(bao)持膠管的清潔(jie)和(he)不(bu)受損壞。例如(ru)(ru)避免陽光照射,雨雪浸淋、防止與酸(suan)、堿(jian)、油類及(ji)其(qi)他有機溶(rong)劑(ji)等影(ying)響膠管質(zhi)量的物(wu)質(zhi)接觸。存(cun)放溫度為-15~40℃,距離(li)熱(re)源(yuan)應不(bu)小于(yu)1m.如(ru)(ru)果由于(yu)保(bao)存(cun)和(he)使(shi)用(yong)(yong)(yong)時(shi)(shi)維(wei)護不(bu)善,或膠管使(shi)用(yong)(yong)(yong)日久老化(hua)脆硬,這些膠管內(nei)的硫磺質(zhi)被(bei)分解(jie)出來,常(chang)(chang)常(chang)(chang)會因(yin)此引(yin)起回火(huo)爆炸(zha)事(shi)故。