10. PERSONAL PROTECTIVE EQUIPMENT
Choosing the right kind of filter:
Marking
in the filter
Color code
in the label
Range of effect
of the filter
Particulate respirators:
P2
P3
Gas filters:
A
AX
B
E
K
A-P3
B-P3
E-P3
K-P3
white
white
brown
brown
grey
yellow
green
white-brown
white-grey
white-yellow
white-green
Particles, e.g. construction, wood,
plastic and metal dusts
(content 0,5 volumetric % = 5 000 ppm).
Particles (content less than
1,0 volumetric % = 10 000 ppm).
Organic gases and fumes
with a boiling point
over 65 °C, e.g. solvents.
Organic gases and fumes
with a boiling point
lower than 65 °C.
Inorganic gases and fumes, e.g. chlorine,
hydrogen sulfide and hydrocyanic acid.
Acid gases and fumes, e.g. sulphur
dioxide and chlorohydric acid.
Ammonia and organic amines.
e.g. heating and welding of painted surfaces
e.g. welding of a surface painted with
a paint containing chloric acid
e.g. spraying with colors containing ammonia
Combined filters:
ABEK-P3 brown, grey, yellow,
green, white
Hot straightening of painted surfaces,
if it is not known which gases will be produced
in heating process.
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