Powder Burn Rate Chart

Powder Burn Rate Chart 2019

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No data for Alliant AR Comp (been out for years now), RL16, RL26, nothing on Shooters World powders, nothing on Hodgdon Enduron powders... Looks like a chart from 2010.
Then don't use it. I didn't create it - just posted it. If a powder isn't in there, someone didn't add it. There is no trustworthy method for anyone outside of a laboratory to gather this data.