膠管近年(nian)來(lai),開(kai)始采用(yong)(yong)(yong)熱塑(su)性橡膠(jiao)(jiao),如熱塑(su)性聚氨酯(zhi)(zhi)橡膠(jiao)(jiao)、聚酯(zhi)(zhi)橡膠(jiao)(jiao)等(deng)。膠(jiao)(jiao)管因(yin)易彎曲、能緩沖、重量(liang)(liang)輕及(ji)安裝(zhuang)使用(yong)(yong)(yong)方便等(deng)優點,用(yong)(yong)(yong)途十分廣(guang)泛(fan),如農業上排灌農田、港灣(wan)疏浚中吸排泥漿,飛機、坦(tan)克、汽車(che)及(ji)許(xu)多(duo)機械裝(zhuang)備中的液壓系(xi)(xi)統(tong)、氣(qi)動系(xi)(xi)統(tong)、燃(ran)油系(xi)(xi)統(tong)均(jun)使用(yong)(yong)(yong)許(xu)多(duo)膠(jiao)(jiao)管。氣(qi)割操作需要較大(da)的氧(yang)氣(qi)輸出量(liang)(liang),因(yin)此(ci)與(yu)氧(yang)氣(qi)表(biao)高壓端連接的氣(qi)瓶(ping)(或氧(yang)氣(qi)管道)閥門應(ying)全打開(kai),以便保(bao)證提(ti)供足(zu)夠的流量(liang)(liang)和穩定的壓力(li),防止(zhi)低壓表(biao)雖(sui)已表(biao)示工(gong)作壓力(li),但使用(yong)(yong)(yong)時(shi)壓力(li)突然下降,此(ci)時(shi)容易發(fa)生回火(huo),并可能倒(dao)燃(ran)進(jin)入氧(yang)氣(qi)膠(jiao)(jiao)管而引(yin)起(qi)(qi)爆(bao)炸(zha)。在保(bao)存(cun)、運輸和使用(yong)(yong)(yong)膠(jiao)(jiao)管時(shi)必須(xu)注意維(wei)護(hu),保(bao)持(chi)膠(jiao)(jiao)管的清潔和不受損壞。例如避(bi)免陽(yang)光照射,雨雪(xue)浸淋、防止(zhi)與(yu)酸、堿、油類及(ji)其他有機溶劑等(deng)影(ying)響膠(jiao)(jiao)管質(zhi)量(liang)(liang)的物質(zhi)接觸。存(cun)放溫度(du)為-15~40℃,距離熱源應(ying)不小于1m.如果(guo)由于保(bao)存(cun)和使用(yong)(yong)(yong)時(shi)維(wei)護(hu)不善,或膠(jiao)(jiao)管使用(yong)(yong)(yong)日久老(lao)化脆硬,這(zhe)些(xie)膠(jiao)(jiao)管內的硫磺質(zhi)被分解出來(lai),常(chang)常(chang)會因(yin)此(ci)引(yin)起(qi)(qi)回火(huo)爆(bao)炸(zha)事故。