высокое качество цемента бумажный мешок

cement Bag paper Detail Description: 1.famous paper factory in China,one of the only 2 facotries in such kind paper 2.prompt delivery time 3.sheet and roll avalibale Specification: paper type:fluting paper substance:75g/m2,80g/m2,90g/m2,105g/m2color:brown material:recycle pulp for liner place of origin:Fujian,China Usage:cement bag ,paper bag,others ITEMMeasurement110g/m2120g/m2140g/m2substance deviationg/m2- 10,+ 5- 10,+ 5- 10,+ 5Tightnessg/cm30.650.650.65Hydroscopicityg/m2(by cobb)60/10060/10060/100Anti-break strengthkPa·m2/g2.502.502.50Ring-crush strengthN·m/g6.06.06.0Anti-pucker timetime202020Moisture%8.0±2.0Width deviationmm0—+8REMARK1.Bythe standard of GB10739-2002 2.enviroment standard based on 23±1°C,relative humidity 50±2%r.h