The Planted Tank Forum - View Single Post - Pressurized CO2...Just thought I'd share.

Darkblade48 · 05-28-2010, 10:52 PM

Taking a look at the chemical resistance database, Buna N (the standard material for Brass metering valves from Swagelok, according to the above PDF) has excellent resistance against CO2 (both wet and dry).

http://www.coleparmer.ca/techinfo/chemcomp.asp

05-28-2010, 10:52 PM	#70
Darkblade48 Moderator (View User Tanks) PTrader: (3/100%) Join Date: Jan 2008 Location: Toronto Posts: 7,068	Taking a look at the chemical resistance database, Buna N (the standard material for Brass metering valves from Swagelok, according to the above PDF) has excellent resistance against CO2 (both wet and dry). http://www.coleparmer.ca/techinfo/chemcomp.asp __________________ Anthony A Primer to Pressurized CO2 and A Primer to Planted Tanks Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Ehein 2217, Eheim surface skimmer and Eheim autofeeder. Victor Pimp #33 - HPT272-125-350-4M