[Jewelry making - Article 00026] - Re: [Orchid] Twenty MuleTeam Borax

[Trevor F]

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>     ... Didn't think you could drive off the water from the regular
>     stuff without melting it down completely to a liquid mass and
>     re-grinding it when it solidified. 

Hello David,

    A recent experiment would tend to make me agree with that. I tried
    baking regular borax at 500C for 40 minutes, reground it, dropped
    some in alcohol and then put the torch to it and it puffs like crazy!
    Even more than ever it seemed. 

    I fully accept that I may have messed something up somewhere but it
    does demonstrate that no-puff borax flux isn't quite _that_ easy to
    achieve. 

Cheers, 
Trevor F.

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