HOW WE TESTED OUR FIRE SAFES:Some safe companies test their fire proof safes in controlled testing f
HOW WE TESTED OUR FIRE SAFES:Some safe companies test their fire proof safes in controlled testing furnaces, which perform like oversized house ovens, yet get a lot hotter than your normal oven. These safe companies eliminate 2 important factors when testing their gun safes to get those ratings: Point Of No Return, and Cool Down Time. Read more about how Sturdy Safe vs. other gun safe companies test for fire ratings. -- source link
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