What is the actual quantity of blowing agent used for various rigid foams?

It’s easy enough to find the GWP of blowing agents used for various rigid foams. For example, from the info I’ve found on GBA and elsewhere:EPS (all types) uses pentane, GWP=7Typical… It’s easy enough to find the GWP of blowing agents used for various rigid foams. For example, from the info I’ve found on GBA and elsewhere:EPS (all types) uses pentane, GWP=7Typical…Read MoreGreenBuildingAdvisor