膠管近年來,開始(shi)采用(yong)熱塑性橡(xiang)(xiang)(xiang)膠(jiao)(jiao),如熱塑性聚氨(an)酯橡(xiang)(xiang)(xiang)膠(jiao)(jiao)、聚酯橡(xiang)(xiang)(xiang)膠(jiao)(jiao)等(deng)。膠(jiao)(jiao)管(guan)(guan)(guan)因(yin)易彎曲、能緩沖、重量(liang)(liang)輕及安裝使(shi)用(yong)方便等(deng)優點,用(yong)途十分(fen)廣泛,如農業上排灌農田、港灣疏浚中吸排泥漿,飛機、坦克、汽車及許(xu)多機械裝備中的液壓(ya)(ya)(ya)(ya)(ya)系統、氣(qi)(qi)動系統、燃油系統均使(shi)用(yong)許(xu)多膠(jiao)(jiao)管(guan)(guan)(guan)。氣(qi)(qi)割操作需要較大的氧氣(qi)(qi)輸出量(liang)(liang),因(yin)此(ci)與氧氣(qi)(qi)表(biao)高(gao)壓(ya)(ya)(ya)(ya)(ya)端(duan)連接的氣(qi)(qi)瓶(或氧氣(qi)(qi)管(guan)(guan)(guan)道)閥門應(ying)全打開,以便保(bao)證提供足(zu)夠的流(liu)量(liang)(liang)和(he)(he)穩定(ding)的壓(ya)(ya)(ya)(ya)(ya)力(li),防止低壓(ya)(ya)(ya)(ya)(ya)表(biao)雖已表(biao)示工作壓(ya)(ya)(ya)(ya)(ya)力(li),但(dan)使(shi)用(yong)時壓(ya)(ya)(ya)(ya)(ya)力(li)突(tu)然(ran)下降,此(ci)時容易發生回(hui)(hui)火(huo),并可能倒(dao)燃進入氧氣(qi)(qi)膠(jiao)(jiao)管(guan)(guan)(guan)而引起爆炸(zha)。在(zai)保(bao)存(cun)、運輸和(he)(he)使(shi)用(yong)膠(jiao)(jiao)管(guan)(guan)(guan)時必(bi)須注意維(wei)護,保(bao)持(chi)膠(jiao)(jiao)管(guan)(guan)(guan)的清潔和(he)(he)不受(shou)損壞。例如避免陽光照射,雨雪浸(jin)淋、防止與酸、堿、油類及其他(ta)有(you)機溶(rong)劑等(deng)影響(xiang)膠(jiao)(jiao)管(guan)(guan)(guan)質(zhi)(zhi)量(liang)(liang)的物(wu)質(zhi)(zhi)接觸。存(cun)放溫(wen)度為(wei)-15~40℃,距離熱源應(ying)不小于1m.如果由(you)于保(bao)存(cun)和(he)(he)使(shi)用(yong)時維(wei)護不善,或膠(jiao)(jiao)管(guan)(guan)(guan)使(shi)用(yong)日久(jiu)老(lao)化脆(cui)硬,這些(xie)膠(jiao)(jiao)管(guan)(guan)(guan)內的硫磺質(zhi)(zhi)被分(fen)解(jie)出來,常常會因(yin)此(ci)引起回(hui)(hui)火(huo)爆炸(zha)事故(gu)。