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Rifles, Reloading, Optics, Equipment
Reloading
H1000 old lot vs new lot.
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<blockquote data-quote="Greyfox" data-source="post: 2535181" data-attributes="member: 10291"><p>I have run into the same thing with older lots of of partially filled containers of power, particularly the slow burners from Hodgdon like H1000, and Retumbo. Not only do the velocities increase, but I have also seen increases in ES. Keeping the powder in a temperature/humidity controlled safe seems to avoid degradation, and I have had these powders remain consistent for +5 years. For high precision/LRH work I avoid mixing powders that fall out of the original range with a new lot. The averaging/re-adjusting of velocity isn't so much a concern as is the possibility of effecting ES or temperature stability.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 2535181, member: 10291"] I have run into the same thing with older lots of of partially filled containers of power, particularly the slow burners from Hodgdon like H1000, and Retumbo. Not only do the velocities increase, but I have also seen increases in ES. Keeping the powder in a temperature/humidity controlled safe seems to avoid degradation, and I have had these powders remain consistent for +5 years. For high precision/LRH work I avoid mixing powders that fall out of the original range with a new lot. The averaging/re-adjusting of velocity isn’t so much a concern as is the possibility of effecting ES or temperature stability. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
H1000 old lot vs new lot.
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