http://www.lme.co.uk/lead_industryusage.asp
World production: 6,701,600 tonnes per annum (2001)
Europe: 28% = 1,876,450 tonnes
Alloys = 1% = 18,765 tonnes
Alloys include solder, brass and bronze, foil, terne metal, type metal,
wire, and other undistributed consumption. (my note: also antifriction
bearing metals)
(http://minerals.usgs.gov/minerals/pubs/commodity/lead/lead_mcs06.pdf)
http://www.paceworldwide.com/leadFree.asp states "The electronic
industry uses less than 0.5% of lead in the production of PCB’s and
components" (probably very high estimate). This would offer ~9,000 tonnes.
http://www.avxcorp.com/docs/techinfo/leadfr.pdf states "Despite the fact
that lead containing solders in electronic assemblies account for only
0.49% of world lead consumption". This figure is unsubstantiated, but
confirms the previous one.
I've not found any substantiated data, but it is probable that the
0.49-0.5% data relates to all solder, not just used in the electronics
industry, as the total of alloys is 1%, according to the LME. Despite
restrictions in many countries, lead solders are still used for plumbing
and in the canning industry, as well as for high-melting-point solders,
and for general metal joining. It is probable that Inge's 0.1% is too
low across Europe (Denmark is a pioneer country for LF soldering). My
best estimate would be 0.2 - 0.35% or 3,750 to 6,500 tonnes with
extremes of 1,875 and 9,000 tonnes.
Hope this helps!
Brian
John Burke wrote:
> I have been written to by the Oko institute in connection with my exemption
> request #15
>
>
>
> They basically want to know how much lead in solder is used in Europe in
> conventional solder. (Don't they know??)
>
>
>
> I had a response from a leading member of the International Research
> Association of the "other" material used in solder telling me to contact the
> lead association for the data - hilarious.
>
>
>
> Anyway, I believe I have a number for the amount of solder used globally
> from a creditable source, what I need now is a SWAG on the percentage of
> electronics used (note used not made!) in Europe versus the rest of the
> world so I can give the Oko institute the data they have requested.
>
>
>
> Help please, I have until Friday to come up with the data
>
>
>
>
>
>
>
> John Burke
>
>
>
> (408) 515 4992
>
>
>
>
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