Chemistry?

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Tom Acheson posted this 4 weeks ago

I use IMR-4227 in my CBA Plain Base Bullet rifle category. Recently I’ve been going past a Cabela’s and stopping in to check on their supply of IMR-4227. Each time they had some so I bought some several times. I now have (6) pounds. And the interesting thing is that all of the containers are the same lot number, despite being bought in the span of August to December. They either bought a ton of it or I was the only looking at it. (It was $76/pound including tax.)

 

I’m thinking of putting all of it in an empty plastic jug that I have. The jug held Arnold Palmer, a 50/50 ice tea and lemonade mix. Not being knowledgable on plastic composition, I do not know if it is polyurethane, polyethylene, etc. It is opaque, almost clear.

 

My main interest is would it be a bad idea to put the powder into the jug if there is a risk the jug would react with the gun powder?

 

Thanks!

 

Tom

 

 

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Ross Smith posted this 4 weeks ago

Keep it away from sunlight!   But why do it in the first place?

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fc60 posted this 4 weeks ago

Greetings,

Look on the bottom of the plastic storage containers.

It will likely have a "2" inside of a Triangle.

I forget which plastic it is; but, all my powder containers both foreign and domestic are marked "2".

Black is preferred to block damage from light.

Personally? I would do as Ross says and keep them in the original containers.

Cheers,


Dave

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Tom Acheson posted this 4 weeks ago

Interesting...

(2) little triangles. One has a 5 in it with "PP compatible" under the triangle. The other has a 7 in it and the word "other" under it.

All of my powder is stored in the dark.

All of us are different. True, I could arrnge the (6) bottles nested in with a handful of other single pound containers. I just like the shelf organization and access of a larger, container for a single powder.

Thanks for the suggestions though.

Tom

 

 

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linoww posted this 4 weeks ago

funny I had a paper sack full of Hodgdon 4831 with their stamp on it.I guess in the 1960's shops had 55 gallon drums of the stuff and scooped it into paper bags with A Hodgdon rubber stamp for $1 a pound.

My powder was  probably 50 years old stored in a garage but was fine.I've had older sealed steel cans of 4198 and 3031 go bad though. 

"if it was easy we'd let women do it" don't tell my wife I said that!

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Millelacs posted this 4 weeks ago

          Tom said:

           I’m thinking of putting all of it in an empty plastic jug that I have. The jug held Arnold Palmer, a 50/50

           ice tea and lemonade mix. Not being knowledgable on plastic composition, I do not know if it is

           polyurethane, polyethylene, etc. It is opaque, almost clear.

 

I've got an empty IMR 4227 8# jug I have no plans for.

If you'd like it, I can bring it to a match

Robert


 

 

 

 

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RicinYakima posted this 4 weeks ago

Here are the risks: incompatible plastic container, introduction of humidity and loss of stable evaporation of solvents. 

Powder is usually made in 10,000 + pound lots, enough to supply the country for many years. 

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Aaron posted this 4 weeks ago

I imagine the plastic used in the containers today are made of compatible and non-reactive material with single-based as well as double-based propellants. This is why makers of powder dispensers with thermoplastic hoppers warn users NOT to leave them filled with powders in between loading sessions. The powders react with that plastic material and cloud the hoppers. One does not know what anti-static properties exist on other than the original containers. BOOM

I would suggest that powders be stored in their original cardboard, metal, or plastic containers.

With rifle in hand, I confidently go forth into the darkness.

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Tom Acheson posted this 4 weeks ago

Robert,

I'll take you up on the empty original jug.

Thanks!

See you this spring!

Tom

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delmarskid posted this 4 weeks ago

Hi Tom , 5 in a triangle is PETG plastic. It’s very stable and is I think the only plastic allowed for food and drink as it is so stable. Just keep it out of the sun so it doesn’t greenhouse your powder. Food and medical plastics must be all virgin plastic and can contain no recycled or mixed plastics. PETG is polyester and is recycled into fibers for clothing and carpets mostly. Milk jugs and cottage cheese containers and the like are HDPE. They are stable too. Your original powder containers are HDPE. I worked at a plastics container factory for a while.

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Tom Acheson posted this 4 weeks ago

As I suspected, many good observations and suggestions, thanks to all!

No, Cabela's didn't have any 8-pound jugs.

Tom

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Millelacs posted this 4 weeks ago

          Robert,

          I'll take you up on the empty original jug.

         Thanks!

         See you this spring!

        Tom

It's yours.

Robert

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