Thank you for this useful information Marshall.  I sort of knew this but
didn't know the science of it, but I will keep this for future reference.  
And I will still use 'the little white pads'  <grin> dee 
 
-------Original Message-------
 
From: Marshall Dudley
Date: 31/10/2008 15:13:59
To: [email protected]
Subject: Re: CS>Tainted Food Alert!
 
Melamine plastic is no different than any other plastic.  They are
almost all formed from toxic monomers, catalysts, or give off toxic
compounds when curing.  PVC is made from very toxic vinyl chloride,
acrylic from toxic methyl methacrylate, polyethylene from highly
poisonous ethylene, polystyrene from highly toxic styrene, polyester
from polyester resin, toxic styrene and methyl ethyl keytone peroxide
which is especially nasty. Then you have things like polyurethane which
is basically made from urine, but forms formaldehyde when it cures and
Outgasses heavily.  In addition many plastics, such as PVC (but not
melamine) have plasticizers in them that diffuse out and are mimics of
estrogen. Melamine and polyethylene are probably the least problematical
of these as far as having anything left over which might diffuse out
later, and Melamine probably has the least toxic monomer of any of
them.  So I don't understand the criticism of melamine when most of the
other plastics are really much worse.
 
Marshall