Breath of Life™ Emergency Escape Mask Specifications
Hood The hood of the Breath of Life™ mask is made from transparent 5-layered laminate and is resistant to penetration of particles, acids, alkalis, gases & microorganisms.
Filter
The filter is composed of four different layers.
First and Fourth Layers
Made from viscose strengthened by
polyester fibers 150 gr/sq. m. Contains 0.3% Cetylpyridinium
Chloride (CPC) as an antiseptic that neutralizes bacteria
that may enter through the filter. The first layer acts as
a pre-filter against large particles.
Second Layer
A second layer filters particles of 0.3 microns
or more, tested for air permeability by the Frazier Air Permeability
Method, - 55cfm/sf at 0.5" water Gauge.
Third Layer
A third layer is made of Polyester non-woven
material, thickness: 1.2 mm, containing active charcoal in
a concentration of 114 gr. out of a total of 200 gr. Sq/m.
- 57% intended to reject air pollution and gas flow, both
in dynamic or static conditions. Active charcoal is described
as follows in professional literature:
"activated charcoal are used as purifying and decolorizing
agents, for the removal of residual gases in low pressure
apparatus, and in respirators as a protection against toxic
gases."
Tests were conducted on this layer conforming to Standard
SAE J 726 / ISO 12103/A Coarse Grade Test Dust, with the
following results:
With airflow of 10 cub. ft. per minute for 15 minutes containing
16.0 gr. of dust, out of which 14.6 gr. (91.25%) were absorbed
by the charcoal layer.
Note: Characteristics not mentioned as tested and proven,
should not be attributed to the filter.
For additional information about the
Breath of Life™ Mask: