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Old 13 December 2005, 18:12   #11
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If you chaps want gas bottles go to your local tip or recycleing plant
as thay call them these days
Thay have a compound with all sorts in them and if you cant
find what your looking for see the lads that work there cash talks remember
thay dont do plastic

Come to think of it as recycleing or doing your bit for the planet
good hunting
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Old 13 December 2005, 18:28   #12
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Originally Posted by GRUMPY
If you chaps want gas bottles go to your local tip or recycleing plant
as thay call them these days
Thay have a compound with all sorts in them and if you cant
find what your looking for see the lads that work there cash talks remember
thay dont do plastic

Come to think of it as recycleing or doing your bit for the planet
good hunting
Bloody good idea - saw a load there other day but didn't pay much attention - mainly calor gas etc but you never know!!!!

Talking of recycling did you see what happens to some of the rubbish - people seperate it all out for the bin man - then local councils etc just stuff it all into containers and ship it to China!!!
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Old 13 December 2005, 18:35   #13
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Originally Posted by codprawn

Talking of recycling did you see what happens to some of the rubbish - people seperate it all out for the bin man - then local councils etc just stuff it all into containers and ship it to China!!!
Do you actually FOLLOW your rubbish?
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Old 13 December 2005, 18:52   #14
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Do you actually FOLLOW your rubbish?
No but the TV crew did - they actually retrieved a womans letters etc from a waste tip in Indonesia and brought it back to her!!!
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Old 14 December 2005, 03:39   #15
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Just remember, you "eagle-eyed" Cylinder re-cyclers.. they won't get filled if they're not in current test and good condition....
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Old 14 December 2005, 04:22   #16
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Used to have my own Argon cylinder for diving (filling the drysuit not me) jsut took it along to one of the better dive shops and they would top it up. Pete
Would the argon be be pure enough? It's like using brewers CO2 for Mig. It works, but not very well.
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Old 14 December 2005, 10:24   #17
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Not sure, I don't weld, just use it to fill me drysuit and keep warm.

Pete
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Old 14 December 2005, 10:37   #18
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Would the argon be be pure enough? It's like using brewers CO2 for Mig. It works, but not very well.
If it is intended for use with people I should imagine it is very pure. Also unless welding aluminium Argon is usually mixed with CO2 anyway.

What I am hoping to do is to buy pure Argon for use with my TIG and then couple it up to a CO2 bottle for use with a mig to make my own argoshield mix. CO2 alone for welding is horrible.
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Old 14 December 2005, 10:48   #19
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Old 14 December 2005, 16:23   #20
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Quote:
Originally Posted by codprawn
If it is intended for use with people I should imagine it is very pure.
There is no reason to make a gas pure - just becuase people are handling it. purity and toxicity are not related.

Argon for TIG welding is usually recommended at 99.998% purity. HP grade argon that is used for diving applications is only 99.9% pure. The main differences are the trace amounts of oxygen and water - which are important to welding - but clearly not harmful to us. I would also suspect that the bottled purity from a diving shop may be less than this as they may not purge all the lines / regulators enough.

HTH.

NEIL
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