Date: Tue, 01 Jun 2010 19:02:21

Author: --- chuck britton

Subject: Re: Ventilation for soldering station

Post:


--Boundary_(ID_5epUTmya5OjHqTXW60DLuQ)
Content-type: text/plain; charset=us-ascii; format=flowed
Content-transfer-encoding: 7BIT

IIRC the RoHS (Euro Markets) require zero heavy metals in consumer electronics.
RoHS solder must be leadfree.

RoHS includes a ban on cadmium (Cd), mercury (Hg), hexavalent
chromium (Cr (VI)), polybrominated biphenyls (PBBs), polybrominated
diphenyl ethers (PBDEs) and lead (Pb).


At 4:47 PM -0400 6/1/10, George Herold wrote:
>Hello Chuck, I never thought it was the lead vapor that was an
>issue, but the nasty flux that gets vaporized. The vapor pressure
>of lead is not that high (at 300 C), there is only a small blob of
> liquid and it cools pretty fast. The fluxes from ROHS solder may
>be worse... (but now I'm making things up. )
>
>George

--Boundary_(ID_5epUTmya5OjHqTXW60DLuQ)
Content-type: text/html; charset=us-ascii
Content-transfer-encoding: 7BIT



IIRC the RoHS (Euro Markets) require zero heavy metals in
consumer electronics.
RoHS solder must be leadfree.

RoHS includes a ban on cadmium (Cd), mercury (Hg), hexavalent chromium (Cr
(VI)), polybrominated biphenyls (PBBs), polybrominated diphenyl ethers
(PBDEs) and lead (Pb).


At 4:47 PM -0400 6/1/10, George Herold wrote:
Hello
Chuck, I never thought it was the lead vapor that was an issue,
but the nasty flux that gets vaporized. The vapor pressure of
lead is not that high (at 300 C), there is only a
small blob of liquid and it cools pretty fast. The
fluxes from ROHS solder may be worse... (but now I'm making things
up. )

George



--Boundary_(ID_5epUTmya5OjHqTXW60DLuQ)--

Back