Re: [CAD_CAM_EDM_DRO] Re: Question fro Jon Elson

> I just want to reinforce the beryllium warning. The dust is
> extremely carcinogenic and can cause "berylliosis" which is a serious
> lung disease. How do I know? We often use it at work because it is
> has the highest stiffness to weight ratios of almost any material,
> but we never ever machine or sand it ourselves, even though we have
> an entire machine shop with its own dedicated building. We always
> send it out to a shop which has better respiratory protective
> equipment. Be sure check the MSDS on your material and be very
> careful in any handling of beryllium and its alloys.

Does anyone know of a simple way to identify beryllium laden alloys,
so as to know what to avoid when scrounging? I'm thinking, for
examples, of the copper-like and bronze-like rounds the physics lab
was disposing of...

Chris

--
Christopher C. Stratton, stratton@...
Instrument Maker, Horn Player & Engineer
22 Adrian Street, Somerville, MA 02143
http://www.mdc.net/~stratton
NEW PHONE NUMBER: (617) 628-1062 home, 253-2606 MIT