Re: [CR] Brazing with Cadmium Silver Alloy

(Example: History:Norris Lockley)

Date: Sun, 09 May 2010 16:00:03 -0400
From: "Michael Schmidt" <mdschmidt56@verizon.net>
To: verktyg <verktyg@aol.com>, Lucas Murray <1958vwbus@gmail.com>, <Classicrendezvous@bikelist.org>
Thread-topic: [CR] Brazing with Cadmium Silver Alloy
Thread-index: AcrvsjZvQ6NRQk5HfUaEscsdcj9HtA==
In-reply-to: <4BE70DB6.40602@aol.com>
Subject: Re: [CR] Brazing with Cadmium Silver Alloy


Regarding Cadmium, it can also be absorbed into the body by touching in addition to breathing fumes while welding. Wash hands after handling, avoiding touching if possible.

Not a certified Industrial Hygienist but I play one on TV.

Mike Schmidt Millington, NJ USA

On 5/9/10 3:32 PM, "verktyg" <verktyg@aol.com> wrote:
> Luke,
>
> I've been exposed to a lot of heavy metal fumes and otherwise (not
> music) during my various vocations. About 35 years ago I became
> concerned about it and started wearing a respirator with filter
> cartridges designed for metal fumes whenever I did any welding or
> brazing. They can also be used for painting.
>
> 3M and other companies make these and you can get a complete rig for
> ~$40. My liver, kidneys and brain are worth that much to me!
>
> Here's a website that shows some of the various 3M masks:
>
> http://store.pksafety.net/3m-60923-cartridge.html
>
> http://store.pksafety.net/3m-60923-cartridge.html
>
> You should be able to get the proper mask setup at a safety or welding
> supply dealer.
>
> Chas. Colerich
> Oakland, CA USA
>
> Lucas Murray wrote:
>> Hello folks, my grandfather was a machinist and fabricator for many many
>> years. He recently gave me three big rolls of silver brazing wire. Being a
>> student, finances are very tight for me, and silver solder is very
>> expensive, so enough free silver to do more than a few frames is great. The
>> problem is, the stuff looks to be quite old as the tag is very yellowed with
>> age. The tag says "Warning! Contains Cadmium." I of course dont have a fancy
>> shop with a pro ventilation system. Is there any safe way I can use this
>> stuff? If I did my brazing outside would I be ok, or do I need more
>> ventilation? I suppose I could rig up an old gas mask (cheap at the local
>> surplus) with a long hose for fresh air, but I imagine this would get hot
>> and annoying. Any input on brazing with Cadmium Silver Braze would be
>> appreciated. Thanks!
>>
>> -Luke Murray-
>> Fort Collins, Colorado
>> USA