In a message dated 8/31/2003 8:58:54 AM Central Standard Time,
stuartwinsor@... writes:
> According to
> the sales blurb it actually contained some copper which slowed the rate
> which copper was dissolved from the iron.
>
Stuart:
You are correct. I think it was 1% copper, but it MAY have been much less
than 1%. I certainly never did any metallurgical analysis of the stuff. In the
days I used it, iron-plated tips were rare, if extant at all, and a plain
copper tip would last MUCH longer, when using this Ersin product. Made in
Cornwall, as I recall. It was half-again as expensive as generic "plain" 60/40
rosin core" such as Kester's. GOOD stuff.
I do NOT know if Ersin is still in the business, but I would certainly both
assume AND hope so!
Yes, their "multicore" had SEVEN holes down the length of even the 1 mm dia.
solder-wire! With "thinner walls", it took less heat to melt and for the
rosin core to "spill out" more readily all over the joint where it could do its
job.
I always thought it was curious that the English could produce such a super
product, but the "next-nearest" U.S. product was just-noticeably inferior
(though usually "good enough for church").
Jan Rowland
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