Multicore produce colophony free solders in 3 and 5 core versions (reel).
These have a halide content of 0.5% and conforms to j-std-004. However my
own experience is that it is requires retraining to use and can leave a
large flux deposit - unsightly but non corrosive. It's not perfect in my
opinion but the world seems to be moving that way!

Ian

>From: Wes Smith <[log in to unmask]>
>Reply-To: "TechNet E-Mail Forum." <[log in to unmask]>,              Wes Smith
><[log in to unmask]>
>To: [log in to unmask]
>Subject: [TN] Halogen Free PCB Materials
>Date: Wed, 19 May 1999 08:48:46 +1000
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>Hi Folks,
>
>Can anybody point us in the right direction to find manufacturers of halide
>free laminates, prepregs and solder mask materials. A search of "Dogpile"
>(thanks Steve!) came up with plenty of cable manufacturers and reference to
>a Toshiba patent in 1997, but nothing else.
>
>Is this "halide free PCB" requirement widespread or are we getting caught
>up in the rush to "save" the planet?
>
>Assuming these materials are available, are they UL approved?
>
>Appreciate some input.
>
>Wes Smith.
>
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