AATCC M14
美标, 一般用途织物面罩，社区口罩检测

其为美国和加拿大市场上首个此类文件，以协助纺织行业遵循美国疾病控制与预防中心（CDC）针对COVID-19流行期间提出的建议，以及美国和加拿大的其他相关法规开发和制造成人织物面罩。

周期: 30-40个工作日

样品数量80pcs + 8m耳带+2m鼻梁筋



测试内容：
* 合体性和尺寸
* 材料和构造
* 颗粒物过滤效率
* 呼吸阻力
* 洗涤护理和使用寿命
* 头带和耳带
* 产品标签和标记

技术参数:

Perform one of the following test methods on the material assembly. It is not necessary to evaluate the air permeability of individual layers in a multi-layer assembly.

1. test area.
3. The f.
).
(or 15 cm/s).

Test additional specimens after multiple laundering cycles (see Laundering and Care Considerations). Do not retest the same specimens.

<span style="font-family:" font-size:11pt;"="">Air permeability is measured on the fabric only. While this test indicates the potential for the fabric to be effectively used in a face covering, construction, printing, and other processes may also impact the breathing resistance of the finished face covering.