active carbon filter layer for gas masks, and gas mask containing this active carbon filter layer.

摘要

THE ACTIVE CHLORINE FILTER LAYER FOR OLD CARETS IS INSTALLED IN VERY PERMEABLE SURFACE CONFORMATIONS OVERLAPPED AND EQUIPPED WITH A FIXING LAYER OF ACTIVE CARBON PARTICLES WITH A GRANULAR OR SPHERICAL FORM AND A DIAMETER OF 0.1 TO 1 MM. THE PRESSURE LOSS IS LESS THAN 10 MM OF WATER COLUMN IN A THICKNESS OF 4 CM WITH A CIRCULAR SECTION OF 110 CM (SQUARE) AND WITH AN AIR CURRENT OF 1 L / SEC IN THE CURRENT PASSAGE.