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RE: [greenyes] CRT Glass

Hi Todd ~

One route may be to contact a cathode ray tube manufacturer or recycler in
the US to see if they can help you. Another choice is the web page, and then search for the term "Cathode Ray
Tube". WRAP is a British organization that is involved in creating markets
for recycled resources and one of their projects is "Materials recovery from
waste cathode ray tubes (CRTs)".

Best wishes,

John Reindl, Recycling Manager
Dane County, WI

> -----Original Message-----
> From: Todd R. Coy [mailto:tcoy@no.address]
> Sent: Tuesday, May 25, 2004 2:10 PM
> To: Greenyes
> Subject: [greenyes] CRT Glass
> Hello all:
> I am working on behalf of a company who is looking into the
> possibility
> of using CRT glass as a substitute for the silica that is utilized in
> their process. The lead is not a concern.
> As you know, there is a tremendous amount of data available
> on CRT's and
> the construction/lead/materials that are used, but there is no
> information as the actual chemical constituents of the glass itself.
> Such as: what is the silica percentage of the glass, what is
> the sodium
> levels, potassium levels, etc...
> The chemical equation is critical within this application, as is the
> homogeneous or consistent nature of the materials if it is to be
> considered a raw material substitute. I know that each manufacturer
> will have different formula's. I was wondering if anyone had any data
> on the chemical construct of the glass itself.
> Any help would be appreciated.
> Todd
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