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Rifles, Reloading, Optics, Equipment
Reloading
Mixing Different Lots Same Powder
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<blockquote data-quote="crkckr" data-source="post: 1692487" data-attributes="member: 78056"><p>I recently compared two different lots of RL7. The newer lot was noticeably slower than the older one. Those I did not mix. There can be be a very real difference in lot numbers.</p><p></p><p>However, if I purchased 3 pounds of the same lot of powder, I would not hesitate to use all three with the same charge, even over a long period of time. Store them properly and the chances of one degrading significantly more than the others is very low. I don't think mixing them is necessary.</p><p></p><p>If they are of different lot numbers and you have not worked up a load with them, then by all means, mix them together. Make sure your mixing container is large enough to hold all three pounds and pour them all in at the same time. That should be enough mixing but stiring with a paint stick for a few minutes should suffice to mix them completely. Don't get too enthusiastic about it, you don't want to break any of grains down. Return them to the original containers, filling the first 2 as full as possible and tapping the sides to pack the powder in as tightly as possible (getting as much air out as possible), then seal tightly. Be absolutely certain to clearly and permanently mark the containers as 1 thru 3. When these are gone and you need more you will have to work up again.</p><p>Cheers, </p><p>crkckr</p></blockquote><p></p>
[QUOTE="crkckr, post: 1692487, member: 78056"] I recently compared two different lots of RL7. The newer lot was noticeably slower than the older one. Those I did not mix. There can be be a very real difference in lot numbers. However, if I purchased 3 pounds of the same lot of powder, I would not hesitate to use all three with the same charge, even over a long period of time. Store them properly and the chances of one degrading significantly more than the others is very low. I don't think mixing them is necessary. If they are of different lot numbers and you have not worked up a load with them, then by all means, mix them together. Make sure your mixing container is large enough to hold all three pounds and pour them all in at the same time. That should be enough mixing but stiring with a paint stick for a few minutes should suffice to mix them completely. Don't get too enthusiastic about it, you don't want to break any of grains down. Return them to the original containers, filling the first 2 as full as possible and tapping the sides to pack the powder in as tightly as possible (getting as much air out as possible), then seal tightly. Be absolutely certain to clearly and permanently mark the containers as 1 thru 3. When these are gone and you need more you will have to work up again. Cheers, crkckr [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Mixing Different Lots Same Powder
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