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soldering fume extractor?

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PekkaNF:
Professional ones are expensive to buy and filters are pretty expensive too.

My understanding is that lead free solders are more harmful to work with than leaded. I'm not using leadfree stuff.

This far I have used very little external ventilation. I have used small bathroom fan that blows all out. That tends to use some energy in winter and it is not that efficient. No smells leave the room, but smoke lingers when soldering.


Most of the hobby stuff seems to be this caliber:
http://www.reichelt.de/?ARTICLE=87379&PROVID=2773&wt_mc=amc14189045499978

I really wonder if the fan and filter is really up to task?

That sort of "computer" fan is not that powerful with a lot of back pressure.

Will those work at any rate?

I'm wondering to what extent it is possible to recyle air trough filter and how much should be exhausted out?

There is some other small gluing, lamination etc. activities that could benefit from modest fume hood / draugh cabinet type solution. Nothing like lab quality hazmat stuff. More like toy model paint hood.

There are locally available paint wall filters, and filter cloth by meters, different grades, activated charcoal material as well.

Pekka

hermetic:
Lead free solders are mostly tin/antimony, with traces of copper or silver, depending on the usage. There is very little risk of evaporating any metal with a soldering iron, most of the visible smoke is from the flux. How about something like a forge canopy or cooker hood connected to a remote centrifugal fan. I think the fumes from soldering with lead free must be inherently safer, as there is no lead present, but if you are talking about electrical or electronic soldering, you are using minimal heat to avoid component damage, and the likelihood of any metal being vapourised is extremely small.
Phil

PekkaNF:
My readin indicates that lead free solder is more dangerous to work with than lead based system:
http://www.wellerzerosmog.com/health_risk/

There are a lot same type texts and not all of them are from solder fume extractors.

Pekka

chipenter:
The filters in the link look like sponge coaterd with charcole I can't see them lasting very long , the filters for a cooker hood last for a year and are mutch larger but cost more initaly .

JerryNotts:
Something not often apparent in discussions about lead free solders containing Antimony. Most sources where antimony is mined have arsenic intimately associated. Arsenic free antimony is inevitably more expensive. As the usual source of antimony is China where extraction is carried out in many small scale operations I would be cautious about using cheap solder!

Jerry :dremel:

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