> If I recall correctly, it's based on Wood's Metal, which melts at 
> 158 degrees f.
>
> The stuff works remarkably well, though, as you note, it's also 
> incredibly expensive when bought from the ChipQuik folks.

Woods Metal
Bi50/Pb25/Cd12.5/Sn12.5

Not nice toxicity wise.

And GBP162 per 200 grams as low temperature solder!!!!!!!!!!!!!
Appears to be used for ctyogenic temperature joints that thermo cycle 
well.

    http://www.oxford-instrumentsdirect.com/product.asp?catalog_name=superconductivity&product_id=C4-203&cookie%5Ftest=1


Unrelated, but very nice list of metals with modelling uses and their 
properties.

        http://www.starwon.com.au/~pknife/metals.htm




        RM 

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