膠管近年(nian)來,開始采用(yong)(yong)熱塑性橡膠(jiao)(jiao),如(ru)熱塑性聚氨(an)酯(zhi)(zhi)橡膠(jiao)(jiao)、聚酯(zhi)(zhi)橡膠(jiao)(jiao)等。膠(jiao)(jiao)管(guan)(guan)因易彎曲(qu)、能緩沖、重(zhong)量輕及安裝使(shi)(shi)用(yong)(yong)方便等優點,用(yong)(yong)途十分(fen)廣泛,如(ru)農業上排灌(guan)農田(tian)、港灣疏(shu)浚中吸排泥漿,飛機、坦克(ke)、汽車及許多機械裝備中的液壓系統(tong)、氣(qi)動系統(tong)、燃(ran)油系統(tong)均(jun)使(shi)(shi)用(yong)(yong)許多膠(jiao)(jiao)管(guan)(guan)。氣(qi)割(ge)操作(zuo)需(xu)要較(jiao)大(da)的氧氣(qi)輸出量,因此(ci)與氧氣(qi)表高壓端連(lian)接的氣(qi)瓶(ping)(或氧氣(qi)管(guan)(guan)道)閥門應(ying)全打開,以便保證提供(gong)足夠的流量和(he)穩定的壓力,防止低壓表雖已(yi)表示工作(zuo)壓力,但使(shi)(shi)用(yong)(yong)時(shi)(shi)壓力突然下降,此(ci)時(shi)(shi)容易發生(sheng)回火(huo),并可(ke)能倒(dao)燃(ran)進入氧氣(qi)膠(jiao)(jiao)管(guan)(guan)而引(yin)(yin)起(qi)爆炸。在保存、運輸和(he)使(shi)(shi)用(yong)(yong)膠(jiao)(jiao)管(guan)(guan)時(shi)(shi)必(bi)須注(zhu)意維護(hu),保持膠(jiao)(jiao)管(guan)(guan)的清潔(jie)和(he)不(bu)受損(sun)壞。例如(ru)避免陽光照(zhao)射,雨雪浸淋(lin)、防止與酸、堿、油類及其他有(you)機溶(rong)劑等影響(xiang)膠(jiao)(jiao)管(guan)(guan)質量的物(wu)質接觸(chu)。存放溫度為-15~40℃,距(ju)離熱源(yuan)應(ying)不(bu)小于1m.如(ru)果由于保存和(he)使(shi)(shi)用(yong)(yong)時(shi)(shi)維護(hu)不(bu)善,或膠(jiao)(jiao)管(guan)(guan)使(shi)(shi)用(yong)(yong)日久老化(hua)脆硬,這些膠(jiao)(jiao)管(guan)(guan)內的硫磺質被分(fen)解出來,常常會(hui)因此(ci)引(yin)(yin)起(qi)回火(huo)爆炸事故。