How to test leakage from HEPA filter in FFU?

Mục lụcI. HEPA filter in FFU1. HEPA filter structure  Hepa filter structure2. Hepa filter efficiency3. FrameHepa filterII.  HEPA filter leakage testing instructionHEPA filter of FFU I. HEPA filter in FFU 1. HEPA filter structure  Filter material: H13, H14 filter paper, and U15-U17 HV fiberglass air filter paper Sealant: Urethane rubber liquid, hot melt adhesives Frame: Aluminum … Continue reading How to test leakage from HEPA filter in FFU?