PIP Consumables Catalogue JULY 2024 ED1 DIGITAL V3 - Flipbook - Page 163
Filters are classioed in one of the following:
CLASS
CLASS
CLASS
CLASS
AUS
1
2
3
LOW
LOW to MEDIUM
absorption olters
MEDIUM
absorption olters
absorption olters
EXAMPLES OF CONTAMINANTS/USES
CHEMICAL CLASS
FILTER TYPE
HIGH
absorption olters
Organic vapours
Solvents (with boiling point above 65°C)
Acid gases
Chlorine/sterilization of water, chemical manufacture; hydrogen chloride/chlorinated
organic chemical manufacture; steel pickling
B2
Acid gas and hydrogen cyanide (HCN)
Plastics manufacture; gold ore refining
B3
Acid gas and hydrogen cyanide (HCN)
HCN fumigation
E
Sulfur dioxide (SO2)
SO2/casting of metals; bleach manufacture; manufacture of sulfuric acid; fertiliser
manufacture; metal cleaning; petroleum refining
G
Agriculture chemicals
Low vapour pressure (below 1.3Pa at 25°C) organic
vapours, pesticide spraying, mixing manufacture
K
Ammonia (NH3)
NH3/refrigeration; manufacture of fertilisers, explosives,
plastics; low boiling point amines/chemical manufacture
Hg
Mercury
Metallic mercury/chemical industry; inorganic mercury compounds
A (All classes)
B AUS or B1
NO
Oxides of nitrogen
Oxides of nitrogen
MB
Methyl bromide
Fumigation
AX
Low boiling point organic compounds
(below 65°C)
As specified by the manufacturer, eg. dimethyl ether, vinyl chloride
Specific chemical name
For use against specific chemicals not falling in the above type description
as specified by the manufacturer, eg. hydrogen fluoride
Specific
Chemical
Type
PARTICULATE FILTER
CLASSIFICATION
When sealed to a suitable former and tested, non-powered respirator, olters should
not show penetration in excess of the following:
CLASS
CLASS
CLASS
P1
P2
P3
no more than
20%
CLASSIFICATION
no more than
6%
no more than
EFFICIENCY
0.05%
EXAMPLES OF CONTAMINANTS/USES
P1
80% (particles to 1¿m micron =
0.001mm size)
Dusts
P2
94% (particles to 0.3¿m micron =
0.0003mm size)
Toxic dusts including asbestos, welding fumes
P3
99.95% (particles to
