BSI - BS 4400
Sodium Chloride Particulate Test for Respirator Filters
|Publication Date:||10 June 1969|
|ICS Code (Respiratory protective devices):||13.340.30|
Method of test for assessment of the protection afforded by respirator canisters against particulate clouds. An improvement over the test method in BS 2577 which is now obsolescent. The test method will also be used with modifications for testing face seal leakage of respirators as required by the revision of BS 2091.