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The model 231 is a chemical cartridge used to provide protection against certain levels of acid gases and formaldehyde |
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Sundström chemical cartridge 231 |
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The acid gases/formaldehyde cartridge can be combined with a P100 filter 210/310-2, to provide protection against certain combinations of organic vapours and particulates |
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Molded polyethylene. No metal parts. |
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approximately 5.6 oz (160 g) |
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Largest diameter: approx. 4.2" (107 mm)
Thickness: approx. 1.4" (36 mm) |
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Approximately 4.2 oz (120 g) of activated carbon |
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Using NIOSH standards at a flow of 64 l/min:
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Contaminant |
Conc. |
Perf. period |
Req:d minimum | |
Sulphur dioxide |
500 ppm |
>60 min |
30 min | |
Hydrochloric acid |
500 ppm |
>60 min |
50 min | |
Chlorine |
500 ppm |
>55 min |
35 min | |
Formaldehyde |
100 ppm |
>60 min |
50 min |
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At 85 l/min: approx 280 Pa (max allowed is 400 Pa)
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Combination: |
The chemical cartridge can be combined with particulate filter 210/310-2. Snap the particulate filter onto the cartridge for protection against certain levels of specific contaminants. |
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Pre-filter: |
Pre-filter and pre-filter holder should always be fitted. These components help protect the cartridge from damage, remove nuisance dust, and extend the life.
NB: The pre-filter can never replace a protective filter |
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Storage: |
Store at room temperature in clean, dry place. The shelf life for an unopened cartridge is 5 years. The expiration date is printed on the cartridge label: (Day/Month/Year) |
