Abstract: Five Sino-American test standards of respiratory protective equipment are introduced, including GB 2626 — 2006、NIOSH 42CFR Part 84、GB 19083 — 2010、ASTM F2299 and YY 0469 — 2004. The test methods for filtration performance in the five standards are compared and analyzed from the aspects of particles to be filtered, filter elements, pretreatment, test conditions and filtration efficiency. Several measures in practice for GB 2626 — 2006 are proposed refer to the NIOSH standard.

Key words: filtration; test; aerosols; breathing mask