膠管近年來,開始采用(yong)熱塑(su)性(xing)橡膠(jiao)(jiao)(jiao)(jiao),如(ru)熱塑(su)性(xing)聚氨酯(zhi)(zhi)橡膠(jiao)(jiao)(jiao)(jiao)、聚酯(zhi)(zhi)橡膠(jiao)(jiao)(jiao)(jiao)等。膠(jiao)(jiao)(jiao)(jiao)管(guan)因易(yi)彎(wan)曲、能緩沖、重量(liang)輕(qing)及安(an)裝(zhuang)使用(yong)方便等優點,用(yong)途十分(fen)(fen)廣(guang)泛,如(ru)農業上(shang)排(pai)灌農田、港灣疏浚中吸(xi)排(pai)泥漿,飛機、坦克、汽車(che)及許多機械裝(zhuang)備(bei)中的液壓(ya)(ya)(ya)(ya)系(xi)(xi)統、氣(qi)(qi)(qi)動系(xi)(xi)統、燃(ran)油系(xi)(xi)統均使用(yong)許多膠(jiao)(jiao)(jiao)(jiao)管(guan)。氣(qi)(qi)(qi)割操(cao)作需(xu)要(yao)較(jiao)大的氧(yang)氣(qi)(qi)(qi)輸出(chu)量(liang),因此與(yu)氧(yang)氣(qi)(qi)(qi)表(biao)高(gao)壓(ya)(ya)(ya)(ya)端連接的氣(qi)(qi)(qi)瓶(或(huo)氧(yang)氣(qi)(qi)(qi)管(guan)道)閥(fa)門應全打開,以便保(bao)(bao)證提供足夠(gou)的流量(liang)和穩定的壓(ya)(ya)(ya)(ya)力(li),防止低(di)壓(ya)(ya)(ya)(ya)表(biao)雖已表(biao)示工作壓(ya)(ya)(ya)(ya)力(li),但使用(yong)時壓(ya)(ya)(ya)(ya)力(li)突(tu)然下降,此時容易(yi)發(fa)生回火,并可(ke)能倒燃(ran)進(jin)入氧(yang)氣(qi)(qi)(qi)膠(jiao)(jiao)(jiao)(jiao)管(guan)而引起(qi)爆炸。在(zai)保(bao)(bao)存(cun)、運輸和使用(yong)膠(jiao)(jiao)(jiao)(jiao)管(guan)時必(bi)須注意維(wei)護,保(bao)(bao)持膠(jiao)(jiao)(jiao)(jiao)管(guan)的清潔和不受損壞(huai)。例如(ru)避免陽光照射(she),雨(yu)雪浸淋、防止與(yu)酸、堿(jian)、油類及其他有機溶劑(ji)等影(ying)響膠(jiao)(jiao)(jiao)(jiao)管(guan)質量(liang)的物質接觸。存(cun)放(fang)溫(wen)度為-15~40℃,距離熱源應不小(xiao)于1m.如(ru)果由于保(bao)(bao)存(cun)和使用(yong)時維(wei)護不善,或(huo)膠(jiao)(jiao)(jiao)(jiao)管(guan)使用(yong)日久(jiu)老化脆硬,這(zhe)些膠(jiao)(jiao)(jiao)(jiao)管(guan)內(nei)的硫磺質被分(fen)(fen)解出(chu)來,常常會因此引起(qi)回火爆炸事故(gu)。