膠管近年(nian)來(lai),開始采用(yong)熱(re)塑性橡(xiang)膠(jiao)(jiao),如熱(re)塑性聚(ju)氨(an)酯(zhi)(zhi)橡(xiang)膠(jiao)(jiao)、聚(ju)酯(zhi)(zhi)橡(xiang)膠(jiao)(jiao)等。膠(jiao)(jiao)管(guan)(guan)(guan)(guan)因易彎曲、能(neng)緩沖、重量輕及安(an)裝(zhuang)使用(yong)方便(bian)等優點,用(yong)途十分(fen)廣泛(fan),如農(nong)業上(shang)排灌(guan)農(nong)田、港灣疏浚中(zhong)吸排泥漿,飛機(ji)、坦克、汽車及許多機(ji)械裝(zhuang)備中(zhong)的(de)(de)液壓系(xi)統、氣(qi)(qi)動系(xi)統、燃油系(xi)統均使用(yong)許多膠(jiao)(jiao)管(guan)(guan)(guan)(guan)。氣(qi)(qi)割操作需要較大(da)的(de)(de)氧氣(qi)(qi)輸(shu)出量,因此(ci)與氧氣(qi)(qi)表高壓端連接(jie)的(de)(de)氣(qi)(qi)瓶(或氧氣(qi)(qi)管(guan)(guan)(guan)(guan)道)閥門應全打開,以便(bian)保證提供足夠(gou)的(de)(de)流(liu)量和穩(wen)定(ding)的(de)(de)壓力,防止(zhi)低壓表雖已表示工作壓力,但使用(yong)時(shi)(shi)壓力突然(ran)下(xia)降,此(ci)時(shi)(shi)容(rong)易發(fa)生回火,并可能(neng)倒燃進入氧氣(qi)(qi)膠(jiao)(jiao)管(guan)(guan)(guan)(guan)而引起爆炸(zha)。在保存、運輸(shu)和使用(yong)膠(jiao)(jiao)管(guan)(guan)(guan)(guan)時(shi)(shi)必須注意維(wei)護,保持膠(jiao)(jiao)管(guan)(guan)(guan)(guan)的(de)(de)清潔(jie)和不受(shou)損壞。例如避免(mian)陽光照(zhao)射(she),雨雪浸淋、防止(zhi)與酸、堿、油類及其他有機(ji)溶(rong)劑等影響膠(jiao)(jiao)管(guan)(guan)(guan)(guan)質(zhi)量的(de)(de)物質(zhi)接(jie)觸(chu)。存放溫度為-15~40℃,距離(li)熱(re)源應不小(xiao)于(yu)1m.如果由(you)于(yu)保存和使用(yong)時(shi)(shi)維(wei)護不善,或膠(jiao)(jiao)管(guan)(guan)(guan)(guan)使用(yong)日久老化脆硬,這些膠(jiao)(jiao)管(guan)(guan)(guan)(guan)內的(de)(de)硫磺質(zhi)被分(fen)解出來(lai),常常會(hui)因此(ci)引起回火爆炸(zha)事故。