Particulate Filtration Efficiency (PFE) is used in daily protective masks and medical masks to test the filtration efficiency of particulate matter and to determine the obstruction performance of ordinary fabrics and medical protective masks for constant flow of airflow. It’s applicable to medical device inspection center, safety protection inspection center, labor protection inspection center, drug inspection center, disease prevention and control center, textile testing center, hospital, mask manufacturing enterprises, etc.

Applicable:

⑴ Glass fiber filter material

⑵ PP filter material

⑶ coating.

Executive standard : ASTM F2299.