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我们需要布朗包装的牛皮纸Paper.Specification 40-49 GSM ParameterUnitValue1Avg基础WeightGSM40-492Tenile strengthKgfMD3.15CD1.353Breaking LengthMMD4288CD18384Tearing StrengthGmfMD26CD325Tear FactorMD53.1CD65.36Smoothness(别克)SecHigh20Low197CaliperMicron1158Sizing PenetrationSec49Moisture%6.510BurstPSI811Air Premeability 8912BulkCC / Gm2.3513Roll SizeInches30-35 14Roll WeightKg350- 550Please请向前实惠的价格查询作为最早的。牛皮纸,纸袋,纸牛皮纸