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Recycling of Computer housings (was: Vinyl Chloride Odor)
Message text written by "Charlie Cray"
>are you SURE that computer housings (like IBMs) are made from
recycled computers? Where do you get that from? What percentage of
all computers and of those that are composed of recycled material,
what percentage is virgin?
Hydro Polymers and Geon have a joint venture in the UK for supplying
moulding compound to the likes of IBM and the other UK manufacturers of
monitors and keyboards. IBM in particular operate a reclaim scheme that
brings back old machines which are then stripped out. All the metals and
glass are removed and the carcases are returned to Hydro Geon for
granulating and regrinding.
There was a paper presented at "Current Trends in PVC" which was held in
Loughborough this month talking about the technical aspects of this. The
most interesting thing was than even at 100% recycled material it was
possible to reprocess the material 3 or 4 times. This would not happen in
practice because the amount of reclaim would not match the production
required neither would the colour consistency be good enough.
In addition the market for monitors on computers is expanding at a
tremendous rate and until the rate at which peple scrap their computers is
equel to the rate at which they are produced you will always have to use
If you contact Jason Leadbitter at Hydro Polymers in the UK he can give you
My opinions are my own not those of my employer