Test Name 测试名称: Filtering half masks to protect against particles 防颗粒口罩 ( PPE/CE )

Test info 测试内容：

PPE # 1 – Filtering half mask to protect against COVID-19

DEVELOPMENT REPORT

Visual inspection COVID-19

Penetration of the particulatefilter (paraffin oil)

CO2 air content

PPE # 1 – Filtering half mask to protect against COVID-19