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Mixing different lots of powder?

 
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  #1  
Old 03-06-2009, 09:21 AM
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Mixing different lots of powder?

I've got an open half pound of RL22, a one pounder and a five pounder all with different lot numbers. I've heard that each lot can differ a bit.

Can I just mix my canisters together?
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Old 03-06-2009, 09:38 AM
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Re: Mixing different lots of powder?

This same topic was one of debate some time ago.

Some people mix and some are strictly against it.

I mix.....



For your entertainment
Powder lot number?

Last edited by MagMan; 03-06-2009 at 09:42 AM.
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  #3  
Old 03-06-2009, 10:35 AM
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Re: Mixing different lots of powder?

I remember that debate, it was a good one. Some mix and some do not. The reason to not mix, short answer: You can not completely mix the powders and thus will not have consistency through out the mixed powder.

I believe the over riding thought of the day is, be careful.

Steve
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Old 03-06-2009, 07:35 PM
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Re: Mixing different lots of powder?

Personally, if in your situation, I would simply leave the unopened ones alone until I finished the others. If all are opened, I still believe that I would use them as is, simply due to consistancy.

I have in the past and will probably in the future blend some of a one pound jug into another partial one pounder. I doubt I would ever blend more than that amount. When I do mix, it is plenty thorough, and I generally see nothing adverse about it.

As mentioned be careful and if you mix the whole batch, make sure you work back up to max charges.
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Old 03-07-2009, 07:10 AM
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Re: Mixing different lots of powder?

Let's say you get down to a small amout of powder, less than a 'working amount' in the one container. Then we take this small amount & mix it into a new container of the same labeled powder. That little bit mixed in will be a very small % of the new container. In my reasoning not enough to change anything in a meaningful way. I guess we could throw it on the flowers, but us reloaders don't like to waste.
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Old 03-07-2009, 08:43 AM
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Re: Mixing different lots of powder?

I probably have a "cave man's mentality", but I mix same label powders on occasion. If the powder of choice isn't consistant enough to mix lots I don't want the stuff. Any time I get to the last dregs of powder in a bottle or can I put it in the new one. I once put a pound (unopened) and another opened partial /1/2 # bottle in with a new 8# H4895 and couldn't see any difference in performance what-so-ever. I mentioned this on another board and some of the well meaning souls that responded were afraid I had created a real witches brew, but I refuse to live in fear of anything that doesn't have canine fangs and large claws. But thats just me.
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Old 03-08-2009, 08:04 AM
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Re: Mixing different lots of powder?

"I've heard that each lot can differ a bit. Can I just mix my canisters together?"

It can, and usually does, vary a bit. Mixing only reduces any difference between the lots, moderating any lot to lot variation. Do it.
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