Tin Plating PCBs

Freddie · 8th September 2001, 01:04 PM

I'm wondering where I can buy the 'Tin-solution' that is used to Tin-plate PCBs.

/Freddie

Thoth · 8th September 2001, 04:37 PM

Try 'http://www.allectronics.com'. I think you're looking for item 'ER-18'.

Good luck.

Hoffmeyer · 9th September 2001, 10:33 AM

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.

P.Lacombe · 9th September 2001, 04:26 PM

Freddie,

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

Regards, P.Lacombe.

Freddie · 9th September 2001, 06:31 PM

Thanks for the replys.

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

/Freddie

GRollins · 9th September 2001, 09:48 PM

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

hifi · 10th September 2001, 08:18 AM

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

9th September 2001, 10:33 AM	#3
Hoffmeyer diyAudio Member Join Date: Dec 2000 Location: Önnarp, Söderslätt	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. __________________ Regards Hoffmeyer ;0)

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

8th September 2001, 04:37 PM	#2
Thoth diyAudio Member Join Date: May 2001	Try 'http://www.allectronics.com'. I think you're looking for item 'ER-18'. Good luck.

9th September 2001, 04:26 PM	#4
P.Lacombe diyAudio Member Join Date: Jul 2001 Location: Orleans, France	Freddie, Don't use chemical tin-plating, this may cause failures because of the poor quality of the chemical tin layer. Regards, P.Lacombe.

9th September 2001, 06:31 PM	#5
Freddie diyAudio Member Join Date: Oct 2000 Location: Sweden	Thanks for the replys. So it is bad to use chemical tin-plating. Then I will use PCB-lacque instead. /Freddie

9th September 2001, 09:48 PM	#6
GRollins diyAudio Member Join Date: Feb 2001 Location: Columbia, SC	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

10th September 2001, 08:18 AM	#7
hifi diyAudio Member Join Date: Mar 2001 Location: sweden	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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