膠管近年來,開始采用(yong)(yong)熱(re)塑性橡(xiang)膠(jiao)(jiao)(jiao),如(ru)熱(re)塑性聚(ju)氨酯橡(xiang)膠(jiao)(jiao)(jiao)、聚(ju)酯橡(xiang)膠(jiao)(jiao)(jiao)等。膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)因(yin)易彎曲、能(neng)緩沖、重量(liang)(liang)輕及安裝(zhuang)使(shi)用(yong)(yong)方便(bian)(bian)等優點(dian),用(yong)(yong)途(tu)十(shi)分廣泛,如(ru)農業上排灌農田(tian)、港灣疏浚中吸(xi)排泥(ni)漿,飛(fei)機、坦克、汽車及許多機械裝(zhuang)備中的(de)(de)液(ye)壓(ya)(ya)系統(tong)、氣動系統(tong)、燃油系統(tong)均使(shi)用(yong)(yong)許多膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)。氣割(ge)操(cao)作需要較大(da)的(de)(de)氧(yang)(yang)氣輸出量(liang)(liang),因(yin)此與氧(yang)(yang)氣表高壓(ya)(ya)端連接的(de)(de)氣瓶(或(huo)氧(yang)(yang)氣管(guan)(guan)(guan)道(dao))閥門應全打(da)開,以便(bian)(bian)保(bao)證提供足夠(gou)的(de)(de)流量(liang)(liang)和穩定的(de)(de)壓(ya)(ya)力(li),防(fang)止(zhi)低(di)壓(ya)(ya)表雖(sui)已表示(shi)工作壓(ya)(ya)力(li),但使(shi)用(yong)(yong)時壓(ya)(ya)力(li)突然下(xia)降(jiang),此時容易發(fa)生回(hui)火(huo),并可能(neng)倒(dao)燃進入氧(yang)(yang)氣膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)而(er)引起爆(bao)炸(zha)。在(zai)保(bao)存、運輸和使(shi)用(yong)(yong)膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)時必(bi)須(xu)注意維(wei)護(hu),保(bao)持(chi)膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)的(de)(de)清潔和不受損壞。例如(ru)避免陽(yang)光照射(she),雨雪(xue)浸淋(lin)、防(fang)止(zhi)與酸、堿(jian)、油類及其他有機溶劑等影響膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)質量(liang)(liang)的(de)(de)物質接觸。存放溫度為-15~40℃,距離熱(re)源應不小于1m.如(ru)果(guo)由于保(bao)存和使(shi)用(yong)(yong)時維(wei)護(hu)不善,或(huo)膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)使(shi)用(yong)(yong)日久老化脆(cui)硬,這些(xie)膠(jiao)(jiao)(jiao)管(guan)(guan)(guan)內的(de)(de)硫磺質被分解出來,常(chang)常(chang)會因(yin)此引起回(hui)火(huo)爆(bao)炸(zha)事(shi)故。