膠管近年來(lai),開(kai)始采用(yong)(yong)(yong)熱(re)塑(su)性(xing)橡膠(jiao)(jiao),如(ru)(ru)熱(re)塑(su)性(xing)聚氨酯(zhi)橡膠(jiao)(jiao)、聚酯(zhi)橡膠(jiao)(jiao)等(deng)。膠(jiao)(jiao)管因易(yi)彎(wan)曲、能(neng)緩沖、重量(liang)輕及安裝使(shi)用(yong)(yong)(yong)方(fang)便(bian)(bian)等(deng)優(you)點,用(yong)(yong)(yong)途十分(fen)廣泛,如(ru)(ru)農業上(shang)排灌(guan)農田、港灣疏浚中(zhong)吸排泥漿,飛(fei)機、坦克、汽車及許多機械裝備(bei)中(zhong)的(de)(de)(de)液壓(ya)系(xi)統、氣(qi)動系(xi)統、燃油系(xi)統均使(shi)用(yong)(yong)(yong)許多膠(jiao)(jiao)管。氣(qi)割操作需要較(jiao)大(da)的(de)(de)(de)氧氣(qi)輸出量(liang),因此與(yu)氧氣(qi)表(biao)(biao)高壓(ya)端連接的(de)(de)(de)氣(qi)瓶(或(huo)(huo)氧氣(qi)管道)閥(fa)門應全打開(kai),以便(bian)(bian)保(bao)(bao)證提供足(zu)夠的(de)(de)(de)流量(liang)和(he)穩(wen)定的(de)(de)(de)壓(ya)力(li),防止(zhi)低壓(ya)表(biao)(biao)雖(sui)已表(biao)(biao)示(shi)工作壓(ya)力(li),但使(shi)用(yong)(yong)(yong)時壓(ya)力(li)突然下降,此時容易(yi)發生回火(huo)(huo),并可能(neng)倒燃進(jin)入(ru)氧氣(qi)膠(jiao)(jiao)管而引起爆炸。在保(bao)(bao)存(cun)(cun)、運輸和(he)使(shi)用(yong)(yong)(yong)膠(jiao)(jiao)管時必須注意維護,保(bao)(bao)持膠(jiao)(jiao)管的(de)(de)(de)清潔和(he)不受損壞。例如(ru)(ru)避(bi)免(mian)陽(yang)光照射,雨雪浸淋、防止(zhi)與(yu)酸、堿、油類及其他(ta)有機溶劑等(deng)影響膠(jiao)(jiao)管質量(liang)的(de)(de)(de)物質接觸。存(cun)(cun)放溫度(du)為-15~40℃,距離(li)熱(re)源應不小于1m.如(ru)(ru)果由于保(bao)(bao)存(cun)(cun)和(he)使(shi)用(yong)(yong)(yong)時維護不善,或(huo)(huo)膠(jiao)(jiao)管使(shi)用(yong)(yong)(yong)日久(jiu)老化脆硬,這些膠(jiao)(jiao)管內的(de)(de)(de)硫磺質被分(fen)解出來(lai),常常會(hui)因此引起回火(huo)(huo)爆炸事故。