Respirator Filters

[DJR2012]

I am utilizing 3M 6001 Organic Vapor Cartridges in-conjunction with my respirator, and am a hobbyist who only injects a few hours at a time.  My understanding is they are only good for 12 hours of use. Consequently, this means roughly $10 every time for these cartridges.  I am certainly not looking to risk my health for $10.  However, are there any methods to extend the life of these cartridges?  Thanks.

[Kasilofchrisn]

Seal them in a ziploc or duct tape over them.
Both sides.
Then store in the freezer.
If you start to smell fumes and it's adjusted properly then change out your cartridges.

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[Painter1]

Standard respirator hygiene includes sealing the entire respirator in a ziplock bag and keeping it wiped clean with antiseptic towelettes between uses.  If you do this, your cartridges will last just fine since they won't be getting exposed to anything that "activates the charcoal".   

There are also pre-filters available that keep small particles from clogging the actual cartridges.  These snap over the outside of the cartridges. 

Cartridges are made for protection against specific compound types, such as VOC's.  MSDS system was created so a person could identify the specific personal protection recommended for a given material.  You may wish to compare information to see what you are getting and if it meets your needs.

For instance, protection from burnt PVC material that puts off clorine is a whole order of magnitude different than protection from organic solvent or heavy metal gasses.