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Rifles, Reloading, Optics, Equipment
Reloading
Are powders hygroscopic?
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<blockquote data-quote="wonderman4" data-source="post: 1981025" data-attributes="member: 72101"><p>My understanding is the deterrents degrade by exposure to moisture. When the deterrents degrade, the burn rate changes. Some times enough to make a drastic difference. This is the reason that ball powders don't generally have the life span as extruded powders. Ball powders need a lot more deterrents.</p><p></p><p>Most Hodgdon powders are packed in 60% humidity, per reps from Hodgdon. </p><p></p><p>Never vacuum pack loaded ammo. The moisture will be drawn out and the resulting burn rate of the powder will make your safe loads dangerous.</p></blockquote><p></p>
[QUOTE="wonderman4, post: 1981025, member: 72101"] My understanding is the deterrents degrade by exposure to moisture. When the deterrents degrade, the burn rate changes. Some times enough to make a drastic difference. This is the reason that ball powders don't generally have the life span as extruded powders. Ball powders need a lot more deterrents. Most Hodgdon powders are packed in 60% humidity, per reps from Hodgdon. Never vacuum pack loaded ammo. The moisture will be drawn out and the resulting burn rate of the powder will make your safe loads dangerous. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Are powders hygroscopic?
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