DATA SHEET

Sundström SR298 gas filter AX
organic gas with low boiling point

for Sundström full face masks

Updated: 21 Aug 2005

Description:
Organic gas filter class AX
Also functions as an A2 filter
Product name:
SR298
Use:

Used against vapour from organic substances with a boiling point below +65°C (150F)

NOTE: When used as an AX filter, the filter is a single-use only filter which must be discarded after 8 hours' use or sooner, depending on the concentration of the contaminant

Material:
Plastic polypropylene. No metal parts
Weight:
182 g (6.4 oz)
Dimensions:

Largest diameter: 106 mm (4.2")
Thickness: 48 mm (1.9")
Carbon:
The filter contains 145 g (5.1 oz) activated carbon
Capacity as AX:
Test gas Conc (ppm) B'through (min) Stand. req.
Isobutane 2,500 65-70 50
Dimethyl ether 500 70-75 50
Capacity as A2:
Test gas Conc (ppm) B'through (min) Stand. req.
Carbon tetrachloride 5,000 60-65 40
Pressure drop:
30 l/min: 100-110 Pa (standards requrement: <140 Pa)
95 l/min: 390-420 Pa (standards requirement: <560 Pa)
Particle filter: If environment contains both particles and gas, a particle filter must be fitted to the front of the gas filter
Pre-filter: Pre-filter 221 and pre-filter holder 5153 should always be fitted
Storage period: Expiry date printed on the filter
Storage: Store at room temperature in clean, dry place