《烟用丝束》行业标准修订项目技术报告

《烟用丝束》行业标准修订项目技术报告2主要研究内容一级分类二级分类单丝线密度的范围（dtex）常规丝束低单旦丝束标称值≤2.22中单旦丝束2.22＜标称值＜5.00特规丝束中高单旦丝束5.00≤标称值＜6.67高单旦丝束6.67≤标称值＜16.67超高单旦丝束标称值≥16.67目前丝束线密度从1.67ktex延伸到7.78ktex，单丝线密度从1.78dtex延伸到24.4dtex鉴于打扫码系统二维码编码中第31和32位为小类分类码（01原分类方式源自特规丝束定义“丝束线密度大于或等于4.44ktex24.4dtex，其设计主要呈现了三个系等规格由原来的特规丝束调整为常规丝束；5.00Y3.33、5.33Y2.44、各家信息化系统实施存在先后，建议过渡期设为24个月。能性丝束的开发需求，相关添加剂种类可能超出现有名单。本标准规定了所有规格丝束符合性要求（见表2特规丝束不项目类别单丝线密度低单旦丝束、中单旦丝束、中高单旦丝束、高单旦丝束超高单旦丝束丝束线密度≤2.22ktex>2.22ktex各类别丝束的单丝线密度呈现以下特点（见表3）：（1）超高单旦丝束代表规格的测定值/标称值的比值、控制限/段丝束的单丝线密度数值较高，同等倍数下，其标称允许范围较宽。（2）高单旦丝束的单丝线密度测定值/标称值的比值、控制限/但测定值未超出。建议加强生产过程控制，减小质量波动。（4）中单旦丝束的单丝线密度测定值/标称值的比值普遍为密度测定值/标称值的比值最低为0.89,4.22Y3.78和4.33Y3.44的控制下限/标称值的比值为0.88，超出标称下限。建议加强丝束生产过程中单旦丝束和中高单旦丝束的单丝线密度数据满足原标准标称高单旦丝束的单丝线密度要求较为合理。类别规格厂家测定均值测定最大值测定最小值测定上限/标称值测定下限/标称值标准偏差控制上限控制下限控制上限/标称值控制下限/标称值超高单旦22.2Y3.00(20Y27000)123.3524.7222.320.7825.6921.010.95高单旦丝束13.3Y1.67(12Y15000)六家0.960.310.928.89Y1.67(8.0Y15000)19.519.609.380.109.819.2129.049.188.859.468.620.9738.548.558.520.960.960.028.608.480.970.9528.378.707.880.980.890.198.947.800.8869.589.679.490.049.709.468.33Y1.78(7.5Y16000)18.668.818.540.108.968.3628.889.228.200.980.387.740.9348.358.488.260.990.108.658.060.9759.329.639.019.658.9869.659.799.560.099.929.386.67Y1.89(6.0Y17000)17.517.677.400.087.757.2727.477.527.390.037.567.3847.447.737.237.7757.307.447.666.9467.407.517.247.737.076.44Y2.89(5.8Y26000)16.916.986.790.076.7026.957.056.880.037.046.8647.277.417.040.097.547.0056.867.226.597.286.445.33Y2.4415.785.915.680.086.025.54(4.8Y22000)5.00Y3.33(4.5Y30000)35.085.040.025.02中单旦丝束4.33Y3.44(3.9Y31000)14.424.544.310.074.634.210.9724.504.594.400.084.744.260.9824.674.764.570.044.794.5544.013.880.950.900.064.203.820.970.8854.424.594.300.990.074.634.210.974.22Y3.78(3.8Y34000)14.504.574.450.054.654.3524.304.354.230.044.424.180.9934.294.324.220.034.384.2044.004.203.770.890.104.293.710.8854.094.273.960.940.084.333.850.9164.224.444.030.950.074.434.010.953.33Y3.56(3.0Y32000)13.423.503.340.053.573.270.9823.623.683.570.043.743.5023.343.453.270.980.043.463.220.9733.343.383.310.990.023.403.280.9843.253.453.010.900.073.453.050.9253.443.653.250.980.083.683.200.9663.513.653.330.063.693.333.00Y3.89(2.7Y35000)13.163.050.053.262.960.9923.103.133.070.023.163.0453.063.212.930.980.053.212.910.972.44Y3.78(2.2Y34000)12.652.722.570.042.772.53低单旦丝束1.78Y2.89(1.6Y26000)1/////针对该段丝束，根据表4数据分析，其测定值/标称值的比值符规格厂家测定均值测定最大值测定最小值测定最大值/标称值测定最小值/标称值5.33Y2.44(4.8Y22000)12.452.462.4322.442.462.4332.452.472.4342.452.472.420.996.44Y2.89(5.8Y26000)12.872.892.860.9922.812.832.790.980.9732.892.942.840.9842.912.922.8952.923.002.885.00Y3.33(4.5Y30000)33.313.333.280.985.56Y3.33(5.0Y30000)53.383.483.310.994.33Y3.44(3.9Y31000)13.443.453.4423.523.553.5043.533.563.4653.503.543.433.33Y3.56(3.0Y32000)13.563.583.5523.553.573.530.9933.543.663.500.9843.553.643.380.953.563.593.530.993.503.533.440.990.9763.553.673.500.982.44Y3.7813.793.823.760.99(2.2Y34000)4.22Y3.78(3.8Y34000)33.763.863.690.9843.743.803.700.98备注：丝束生产厂家用数字随机表示（下同）。规格参数测定均值测定最大值测定最小值测定最大值/标称值测定最小值/标称值6.67Y4.44(6.0Y40000)/4.444.504.390.996.67Y6.00(6.0Y54000)原（22N）6.186.236.15新（33N）6.076.036.67Y7.78(6.0Y70000)原（22N）8.188.208.13新（44N）7.867.917.80综上所述，丝束线密度大于2.22ktex的丝束，其丝束线密度与该段丝束的丝束线密度测定值在“0.95~1.05倍”的基础上同步向规格厂家测定均值（ktex）测定最大值测定最小值测定最大值/标称值测定最小值/标称值8.89Y1.67(8.0Y15000)120.9345///613.3Y1.67(12Y15000)10.99468.33Y1.78(7.5Y16000)10.99230.94450.996(9.1Y16000)46///6.67Y1.89(6.0Y17000)10.9820.9940.9950.9760.997.44Y1.89(6.7Y17000)12.002.02标准偏差来计算控制限、控制限/标称值。该段丝束控制限/标称值的规格厂家测定均值标准偏差控制上限控制下限控制上限/标称值控制下限/标称值8.89Y1.67(8.0Y15000)10.0120.040.8840.015/////60.0113.3Y1.67(12Y15000)10.010.9840.0160.018.33Y1.78(7.5Y16000)10.0120.0130.0140.0150.0160.01(9.1Y16000)40.016/////6.67Y1.89(6.0Y17000)10.010.9820.010.9840.010.9950.010.9860.010.997.44Y1.89(6.7Y17000)12.000.012.03备注：1.控制上限：测定均值+3*标准偏差2.控制下限：测定均值-3*标准偏差大于2.22ktex的丝束，其丝束线密度的设计范围普遍处于标称值的0.88~1.07倍内，且设计偏移较丝束线密度大于2.22ktex的丝束向下针对未来可能开发的其他非Y型丝束，字母代码由生产企业自单丝横截面形状字母代码Y型丝束Y非Y型丝束XIR其他由生产企业自定义欧盟委员会发布2020/217号条例，将二氧化钛在粉末形式下，欧盟法院基于对科学证据的严谨性，废除了该条例，二氧化钛被“解GB2760-2024《食品安全国家标准食品添加剂使用标准》于上烟集团牵头的行业标准预研项目“含二氧化钛卷烟原辅材料的质量安全研究”，基于风险最大化原则设计了卷烟原辅材料中二氧化2021年，三纤公司技术中心牵头开展三纤公司二氧化钛联调，要求。该类丝束除满足技术指标等基本要求外，基于卷烟设计“新奇特”的需要，用户还会提出个性化要