石(shi)棉布(bu)(bu)卷(juan)(juan)(juan)盤根(gen)系用(yong)(yong)石(shi)棉布(bu)(bu)、石(shi)棉線(或(huo)(huo)金屬(shu)石(shi)棉布(bu)(bu)、線)為基(ji)材(cai)(cai),以橡膠為粘合劑,卷(juan)(juan)(juan)制(zhi)或(huo)(huo)編制(zhi)成的方(fang)形(xing)密封(feng)(feng)材(cai)(cai)料。石(shi)棉布(bu)(bu)卷(juan)(juan)(juan)盤根(gen)適(shi)用(yong)(yong)于壓力(li)為80kg/cm2,溫(wen)度為550℃以下的蒸(zheng)汽機,往復(fu)(fu)泵(beng)(beng)的活(huo)塞(sai)和(he)閥(fa)門桿上作(zuo)密封(feng)(feng)材(cai)(cai)料。石(shi)棉布(bu)(bu)卷(juan)(juan)(juan)盤根(gen)適(shi)用(yong)(yong)于壓力(li)為80kg/cm2,溫(wen)度為550℃以下的蒸(zheng)汽機,往復(fu)(fu)泵(beng)(beng)的活(huo)塞(sai)和(he)閥(fa)門桿上作(zuo)密封(feng)(feng)材(cai)(cai)料。