Tin Plating PCBs - diyAudio
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Old 8th September 2001, 01:04 PM   #1
Freddie is offline Freddie  Sweden
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Join Date: Oct 2000
Location: Sweden
I'm wondering where I can buy the 'Tin-solution' that is used to Tin-plate PCBs.

/Freddie
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Old 8th September 2001, 04:37 PM   #2
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Try 'http://www.allectronics.com'. I think you're looking for item 'ER-18'.

Good luck.
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Old 9th September 2001, 10:33 AM   #3
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Hi Freddie.

Why do you want to tin-plate your PCB's?

The intermetallic layer created between the Cu and the tin-plating causes an increase in the resistance, and it'll give no better protection than a good PCB-lacquer.
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Hoffmeyer ;0)
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Old 9th September 2001, 04:26 PM   #4
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Freddie,

Don't use chemical tin-plating, this may cause failures because of the poor quality of the chemical tin layer.

Regards, P.Lacombe.
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Old 9th September 2001, 06:31 PM   #5
Freddie is offline Freddie  Sweden
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Join Date: Oct 2000
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Thanks for the replys.

So it is bad to use chemical tin-plating.
Then I will use PCB-lacque instead.

/Freddie
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Old 9th September 2001, 09:48 PM   #6
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There's no need to buy special lacquer. Save your money for other things.
I use Sherwin Williams clear acrylic lacquer. Easily avaible, not particularly expensive, and works like a charm. I have circuit boards over ten years old that look as though they were made yesterday. I spray the board before populating it--the lacquer melts away at the slightest amount of heat, so there's no problem soldering through it.

Grey
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Old 10th September 2001, 08:18 AM   #7
hifi is offline hifi  Sweden
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Join Date: Mar 2001
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Freddie? i believe you live in sweden? the famous (or rather infamous) "biltema" sell a PCB lacuer and it is quite good and realy realy cheap...you can solder through it...thats not always possibly with ordinary laquers alteas not witout a gasmask...

/micke
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