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Old 18th December 2002, 01:47 AM   #1
ct is offline ct
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Question what is the safest solder

newbie question:

What is the safest (i.e., least toxic) solder available (for electronics)?

I know about the lead-free solders, but my search of the forums also uncovered a very brief mention of solders that use lemon extract as the flux in order to eliminate formaldehyde being released when rosin flux is heated.

Thanks.
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Old 18th December 2002, 02:05 AM   #2
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The safest solder that I know of is Multicore Ecosol ... it's lead free and uses a synthetic flux that doesnt release any nasties. Those lemon extract based fluxes generally dont do a very good job.
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Old 18th December 2002, 02:18 AM   #3
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Is Multicore Ecosol available in the US?
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Old 18th December 2002, 02:31 AM   #4
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I'm not sure. You can purchase it through Farnell but it will cost a fortune because they import it from the UK .... best to find a local supplier if one exists.
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Old 18th December 2002, 01:03 PM   #5
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Default ECOSOL

Hi,

Digikey carries Multicore but I'm unsure about the Ecosol.

NORTH EAST SUPPLY

These people should have it though.
They are based in NY.

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Old 18th December 2002, 01:25 PM   #6
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Default Ecosol is a low VOC flux

VOC's = volatile organic compounds.

If you are worried about the lead there are devices to remove fumes at your soldering stations.

If you are really worried about lead you can use silver solder.
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Old 18th December 2002, 01:41 PM   #7
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63/37 solder melts at the lowest temperature so you can use a Weller #6 tip quite sucessfully. I know this wasn't the type of safety meant, but I'd rather burn myself with a cooler tip than a hotter one. Safer for the components too. <- Cool smilie
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Old 18th December 2002, 01:55 PM   #8
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Default Easy Soloution.....

In industry, I have seen fumehoods used to isolate the worker from any solder fumes.
This is the safest way possible.
For good joints you need good flux, and these are the most irritant, but not a problem if you avoid the fumes.

Eric.

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Old 18th December 2002, 09:04 PM   #9
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Default Re: Ecosol is a low VOC flux

Quote:
Originally posted by jackinnj
If you are worried about the lead there are devices to remove fumes at your soldering stations.
I did some reading on the web a while ago when last discussing
solders and the lead is not a concern regarding the fumes, since
there will be no lead particles in the smoke until you reach
temperatures above 500 deg. C. The fluxes matters though.

Lead can be a problem still. One has to be even more careful
washing ones hands, be more careful if drilling tinned paths
on a veroboard etc. I finally decided to buy Ecosol myself to
get rid of the lead.
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Old 18th December 2002, 09:42 PM   #10
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Default 16 BIT POISON

Hi,

Quote:
The fluxes matters though
Those contain the poisonous chemicals.

The lead was only removed to please our green fingered people.

Howdy Christer

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