帆布的(de)織(zhi)物(wu)密度的(de)計算(suan)單位以公制計,8安染色全棉帆布 輸送帶用(yong)(yong)(yong)纖(xian)(xian)維(wei)織(zhi)物(wu)作帶芯(xin),用(yong)(yong)(yong)一般橡膠(jiao)作覆蓋材(cai)料(liao),表面光滑平(ping)整。棉纖(xian)(xian)維(wei)是應用(yong)(yong)(yong)最(zui)早的(de)帶芯(xin)材(cai)料(liao),易與橡膠(jiao)粘合,濕(shi)態時強(qiang)度略有提高,但破斷強(qiang)度低(di)〔大多在(zai)56牛/(毫(hao)米·層)左右〕,防(fang)腐防(fang)霉性差,使用(yong)(yong)(yong)日(ri)漸減少(shao)。20世紀(ji)50年代末開始用(yong)(yong)(yong)尼龍(long)纖(xian)(xian)維(wei)織(zhi)物(wu)作帶芯(xin)材(cai)...