<div dir="ltr">The danger of inhaling solder smoke is just the danger of inhaling smoke -- particles are bad for your lungs, but not catastrophically so. Try to avoid inhaling the fumes. Ventilation is best. Fume extractors are second best.<div>
<br></div><div>And, yeah, of course, wash your hands.</div><div><br></div><div style>And remember that growing bodies are generally more fragile than grown ones.</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Wed, May 15, 2013 at 6:43 PM, Derek Hubbard <span dir="ltr"><<a href="mailto:dh405okc@gmail.com" target="_blank">dh405okc@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
If the point is to get the smoke away from you, a small desk fan does the trick quite well. That, or do what I've always done and just whistle while you solder.<br>
<span class="HOEnZb"><font color="#888888"><br>
-Derek Hubbard.<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
On May 15, 2013, at 3:29 PM, Felicitus <<a href="mailto:felicitus@felicitus.org">felicitus@felicitus.org</a>> wrote:<br>
<br>
> On 05/15/2013 05:14 PM, David Brightbill wrote:<br>
>> I'm a safety-third kind of guy in my personal life but as a board member<br>
>> of a space, I worry about liability etc. Recently, during a soldering<br>
>> class, the topic of soldering fume extractors came up. What's the take<br>
>> on these? Should we buy or make some, or is this overkill for the<br>
>> application?<br>
><br>
> tl;dr:<br>
> Attach signs which say: "Wash your hands after soldering" prior to<br>
> buying fume extractors.<br>
><br>
> Long Version:<br>
><br>
> Most of the fume you'll encounter while soldering is due to vaporizing<br>
> the flux, not the solder itself (lead vaporizes at about 1700°C, there's<br>
> no way you could ever vaporize solder with your regular soldering iron).<br>
> So your agenda is:<br>
><br>
> 1) Instruct people to wash their hands<br>
><br>
> People at our hackerspace rarely do it, including myself. I try to do<br>
> it, but it's easy to forget. And I forgot to put up such a sign so many<br>
> times (added to my calendar now ;)).<br>
><br>
> But even if you don't wash your hands, it's very unlikely that you<br>
> absorb an amount of lead that will cause health issues. I have no<br>
> numbers and no research done on this; so if in doubt, do your own research.<br>
><br>
> 2) Invest into fume extractors<br>
><br>
> That's something you could do, but often isn't done, simply because it<br>
> isn't super-effective unless you buy some of those heavy-duty fume<br>
> extractors which sits right above the place you're about to solder<br>
> (typically 5-10cm, and typically it's in the way) [1].<br>
><br>
> Those smaller ones which sit about 20-30cm away [2] still reduce fume<br>
> "pollution", however, they aren't as effective as the heavy ones.<br>
><br>
> Neither of those will stop fume. It will be there. But fume isn't as<br>
> dangerous as the public believes, and efficiency of those fume<br>
> extractors is much less than you'd expect.<br>
><br>
> Suggestion: Buy one, and leave it up to your members to use it.<br>
><br>
> All of the above is based on my personal knowledge and experiences, so<br>
> don't solder me down on this. I hope that helps!<br>
><br>
> Felicitus<br>
><br>
><br>
> [1]<br>
> <a href="http://image.made-in-china.com/2f0j00oCFtkHYgEsqy/Welding-Fume-Extractor.jpg" target="_blank">http://image.made-in-china.com/2f0j00oCFtkHYgEsqy/Welding-Fume-Extractor.jpg</a><br>
> [2] <a href="http://www.elexp.com/solder/456DLX.jpg" target="_blank">http://www.elexp.com/solder/456DLX.jpg</a><br>
><br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br>-Will<br><a href="http://www.partsandcrafts.org">www.partsandcrafts.org</a>
</div>