1、F7/T12054-2017表2普梳棉与铜氨纤维混纺本色纱(铜氨纤维含量在50%以下)的技术要求线密度单纱断条干均千米千米千米单纱断十万米事线密度变异裂强力匀度变细节粗节棉结公称线密度裂强度纱疵俯差率系数变异系数异系数(-50%)(+50%)(十200%)tex级cN/tex个/103m%个km个/km个/km优2.014.010.814.04015015069.011.02.53.012.012.816.06023023020二4.010.014.818.0优2.014.510.313.5351201201411.113.02.53.012.512.315.55020020018二4.010
2、.514.317.5优2.015.09.813.0301001101213.116.02.53.013.011.815.0o18018016二4.011.013.817.0优2.015.59.312.5251001101016.120.02.53.013.511.314.53516016014二4.011.513.316.5优2.015.58.812.0209010020.131.02.53.013.510.814.03014015012二4.011.512.816.0优2.016.08.311.515808031.136.02.53.013.510.313.520120120104.012.
3、012.315.5优2.016.07.811.010505036.160.02.53.013.59.813.0159010084.012.511.815.0优2.016.07.310.55404060.1及以上2.53.013.59.312.51070804.012.511.314.54.3.3纤维含量偏差。普梳棉与铜氨纤维混纺本色纱的纤维含量允许偏差为1.5%,例如Cu/C55/45铜氨纤维与普梳棉混纺本色纱线,则允许含量为:铜氨纤维56.5%53.5%,棉43.5%46.5%。纤维含量偏差超过土1.5%时,评该批产品为等外品。5试验方法5.1试验条件各项试验应在各方法标准规定的条件下进行。5.2取样规定从检验批次中随机抽取20个简子,各项目所需样品数量及试验次数按表3规定,若检验批中的筒子数小于20个,则全部抽取作为样品。3