DB3211/T 1015-2020 口罩用熔喷布生产技术规程

ICS59.080.30

W59

DB3211

镇江市地方标准

DB3211/T1015—2020

口罩用熔喷布生产技术规程

Technicalspecificationofmelt-blownnonwovenformask

2020-04-28发布2020-05-01实施

镇江市市场监督管理局发布

DB3211/T1015—2020

目次

前言...............................................................................III

1范围..............................................................................1

2规范性引用文件....................................................................1

3术语和定义........................................................................1

4原料..............................................................................2

5场地条件..........................................................................2

6工艺流程..........................................................................2

7产品分级..........................................................................2

8技术要求..........................................................................2

8.1内在质量要求..................................................................2

8.2外观质量要求..................................................................2

8.3专项技术要求..................................................................3

9试验方法..........................................................................3

9.1幅宽偏差......................................................................3

9.2单位面积质量偏差率和单位面积质量变异系数......................................3

9.3断裂强力和断裂伸长率..........................................................3

9.4过滤效率......................................................................3

9.5气流阻力......................................................................4

9.6外观质量......................................................................4

9.7异味..........................................................................4

10检验规则.........................................................................4

10.1取样.........................................................................4

10.2内在质量的判定...............................................................4

10.3外观质量的判定...............................................................4

10.4专项技术要求的判定...........................................................4

10.5结果判定.....................................................................5

11包装、标志、贮存和运输...........................................................5

11.1包装.........................................................................5

11.2标志........................................................................