Kirk,
Suggest you read Dr Lees papers on www.leadfree.com

regards,
Edward


>What does anyone know about the Sn/Ag/Cu/Sb alloy?  From what I
>read, compared to Sn/Ag/Cu, it has a lower melting point, lower
>cost, and yet very similar physical properties.  I know there is a
>toxicity concern, but, once again, according to what I read, a level
>of .5% is allowable.  Perhaps it will be phased out eventually much
>like lead is now.  Any experiences or thoughts on this?
>
>Thanks in advance for your help,
>
>Kirk

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