What Does "C25" Mean?
Posted: Thu Oct 12, 2023 5:54 pm
Here's a weird question. When I buy C25, is it 25% CO2 by mass, volume, or what?
The relevant standards will tell you but, like you, I don't have them.Chips O'Toole wrote: ↑Thu Oct 12, 2023 5:54 pm Here's a weird question. When I buy C25, is it 25% CO2 by mass, volume, or what?
However, BOC states: The designation system shall be based on volumetric percentages.
https://www.boc-gas.com.au/en/images/BO ... 411245.pdf
Jack