I do not know the names of the oils sold by various chemical vendors.
May I suggest trying to contact them, and not asking for an oil for roller tinning, as this is not a common process, but ask for an oil for fusing, or reflow, which used to be a very common practice.
Alternately, you can purchase Ammonium Chloride, and Zinc Chloride, and simply mix them together. This would work quite well, after you had experimented to find out how much of each to use.
Do you have a MacDermid rep you are in contact with? I can find out the name of their oil.
Rudy Sedlak
RD Chemical Company
Baski Devre <[log in to unmask]> wrote: Dear Sedlak
Sorry please do not misunderstand I think salt sources of alfa is about
to exhaust or they gave up producing this salt. But I have not heard of
water soulable oil used in roller tinning proces to reduce dross
formation. Can you give me contact mail or water soulable oil
Thanks again and again
Yusuf
R Sedlak yazmış:
>Yusuf Gomec:
> The type of oil you want is effectively the same sort which we used to use to fuse, or reflow, boards, a long long time ago, and I suspect there are many people who can supply it, but the closest to you is probably Alfachimici, in Italy.
>
> Rudy Sedlak
> RD Chemical Company
>
>Baski Devre wrote:
> Dear Sedlak and Mike
>Is it possible for you to give us more info about water soluble oil and
>do you have any brand that you will suggest us
>Best Regards
>
>Yusuf GÖMEÇ
>Product Quality Engineer
>
>
>BASKI DEVRE SAN ve TIC LTD STI
>Ceyhan Sk. No:10 34896 Pendik-Istanbul-Turkey
>Tel: 00 90 216 3901036 (4 Hat/Line)-173(Extention)
>00 90 216 4836560 (4 Hat/Line)-173(Extention)
>Fax: 00 90 216 3544941
>00 90 216 4913269
>Gsm: 00 90 533 6579897
>00 90 533 7480014
>msn: [log in to unmask]
>
>
>
>R Sedlak yazmış:
>
>
>
>>Thanks for the explanation... I have heard/seen water soluble oil being used in roller tinning, and it apparently worked well.. have never heard of salt being used until now.
>>
>>Rudy Sedlak
>>
>>Mike Fenner wrote:
>>The salt controls dross on the pot and (sometimes forgotten) ensures the
>>bottom roller remains tinned. The alternative to salt is vigilance and more
>>dross. Possibly you could use a [so called] water soluble oil, but I have
>>never seen this done, as these were introduced after roller tinning fell out
>>of use in Europe.
>>Roller tinning is an old process, but cheap. I think the nearest modern
>>equivalent process, to think of as an alternative, would be Hot Air Solder
>>Levelling. This would give much better or at least consistent solderability
>>and not have the blips on the trailing edge of pads.
>>
>>
>>Regards
>>
>>Mike Fenner
>>Indium Corporation
>>
>>T: + 44 1908 580 400
>>M: + 44 7810 526 317
>>F: + 44 1908 580 411
>>E: [log in to unmask]
>>W: www.indium.com
>>Pb-free: www.Pb-Free.com
>>
>>
>>
>>
>>-----Original Message-----
>>From: TechNet [mailto:[log in to unmask]] On Behalf Of Baski Devre
>>Sent: 12 July 2006 16:39
>>To: [log in to unmask]
>>Subject: [TN] Roller Tinning Process
>>
>>Dear Technetters
>>As you know that some PCB manufacturer uses roller tinning soldering
>>process. In this process firstly flux is spread over PCB and then passed
>>through rollers to be soldered. In this solder alloy sometimes a bit
>>salt is added to improve soldering quality and help solder to be appread
>>bright. I want to learn that if there is any alternative material used
>>in roller tinning soldering process to elaminate salt or is there any
>>alternative roller tinning soldering process flow.
>>Thanks in advance to your comments and knowledge share
>>Best Regards
>>
>>--
>>Yusuf GÖMEÇ
>>Product Quality Engineer
>>
>>
>>BASKI DEVRE SAN ve TIC LTD STI
>>Ceyhan Sk. No:10 34896 Pendik-Istanbul-Turkey
>>Tel: 00 90 216 3901036 (4 Hat/Line)-173(Extention)
>>00 90 216 4836560 (4 Hat/Line)-173(Extention)
>>Fax: 00 90 216 3544941
>>00 90 216 4913269
>>Gsm: 00 90 533 6579897
>>00 90 533 7480014
>>msn: [log in to unmask]
>>
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>
>--
>Yusuf GÖMEÇ
>Product Quality Engineer
>
>
>BASKI DEVRE SAN ve TIC LTD STI
>Ceyhan Sk. No:10 34896 Pendik-Istanbul-Turkey
>Tel: 00 90 216 3901036 (4 Hat/Line)-173(Extention)
>00 90 216 4836560 (4 Hat/Line)-173(Extention)
>Fax: 00 90 216 3544941
>00 90 216 4913269
>Gsm: 00 90 533 6579897
>00 90 533 7480014
>msn: [log in to unmask]
>
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Yusuf GÖMEÇ
Product Quality Engineer
BASKI DEVRE SAN ve TIC LTD STI
Ceyhan Sk. No:10 34896 Pendik-Istanbul-Turkey
Tel: 00 90 216 3901036 (4 Hat/Line)-173(Extention)
00 90 216 4836560 (4 Hat/Line)-173(Extention)
Fax: 00 90 216 3544941
00 90 216 4913269
Gsm: 00 90 533 6579897
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