膠管近年(nian)來,開始(shi)采用(yong)(yong)熱塑(su)性橡(xiang)膠(jiao)(jiao),如(ru)熱塑(su)性聚(ju)(ju)氨酯橡(xiang)膠(jiao)(jiao)、聚(ju)(ju)酯橡(xiang)膠(jiao)(jiao)等(deng)。膠(jiao)(jiao)管(guan)(guan)(guan)因(yin)易彎曲、能緩(huan)沖、重量(liang)輕及安裝(zhuang)使(shi)(shi)用(yong)(yong)方便等(deng)優點,用(yong)(yong)途十分廣泛,如(ru)農業(ye)上(shang)排(pai)灌農田、港灣疏浚中(zhong)吸排(pai)泥漿,飛機、坦(tan)克、汽車(che)及許多機械裝(zhuang)備中(zhong)的(de)(de)液(ye)壓系統、氣(qi)動系統、燃油(you)系統均使(shi)(shi)用(yong)(yong)許多膠(jiao)(jiao)管(guan)(guan)(guan)。氣(qi)割操作需要較大的(de)(de)氧(yang)氣(qi)輸(shu)出(chu)(chu)量(liang),因(yin)此(ci)(ci)與(yu)氧(yang)氣(qi)表(biao)高壓端(duan)連接的(de)(de)氣(qi)瓶(或(huo)氧(yang)氣(qi)管(guan)(guan)(guan)道)閥門應全打(da)開,以便保(bao)證提供足夠(gou)的(de)(de)流量(liang)和(he)穩定的(de)(de)壓力(li)(li),防止低(di)壓表(biao)雖已表(biao)示工作壓力(li)(li),但使(shi)(shi)用(yong)(yong)時壓力(li)(li)突然下降(jiang),此(ci)(ci)時容易發生回火(huo)(huo),并可能倒燃進入氧(yang)氣(qi)膠(jiao)(jiao)管(guan)(guan)(guan)而引起(qi)爆炸。在保(bao)存(cun)、運(yun)輸(shu)和(he)使(shi)(shi)用(yong)(yong)膠(jiao)(jiao)管(guan)(guan)(guan)時必須注意(yi)維(wei)護(hu),保(bao)持膠(jiao)(jiao)管(guan)(guan)(guan)的(de)(de)清(qing)潔和(he)不受損壞(huai)。例如(ru)避(bi)免陽光(guang)照射,雨雪浸淋(lin)、防止與(yu)酸、堿、油(you)類及其他有機溶劑等(deng)影(ying)響膠(jiao)(jiao)管(guan)(guan)(guan)質(zhi)量(liang)的(de)(de)物(wu)質(zhi)接觸。存(cun)放溫度(du)為(wei)-15~40℃,距離熱源應不小(xiao)于1m.如(ru)果由于保(bao)存(cun)和(he)使(shi)(shi)用(yong)(yong)時維(wei)護(hu)不善(shan),或(huo)膠(jiao)(jiao)管(guan)(guan)(guan)使(shi)(shi)用(yong)(yong)日久老化(hua)脆硬,這些膠(jiao)(jiao)管(guan)(guan)(guan)內(nei)的(de)(de)硫磺質(zhi)被(bei)分解出(chu)(chu)來,常常會因(yin)此(ci)(ci)引起(qi)回火(huo)(huo)爆炸事故。