The material J. Gerber uses is called Perspex in Europe (source: his 
post on SOTW).  It is a Lucite product.  It is basically 
plexiglass....cast acrylic marketed under this name.  In this country 
it is marketed under various other names (acrylite is one). I may give 
it a try.  It has good properties for mpc application from what I have 
discovered so far.  Its avaliable in a variety of colors and 
thicknesses.  It curves well when thin, its durable and can handle a 
wide range of PH values.  It may tollerate plating with the right 
adhesive.  If I get a sheet I will post results and source.

Perspex is the European name for plain-vanilla plexiglass, as you note. Seems to me to be the ideal material for this application: no nasty chems to leach out, dimensionally stable, wear-resistant, and it comes in a variety of designer colors! You can even laminate it for special effects...

Toby
  ----- Original Message ----- 
  From: sigmund451 
  To: MouthpieceWork@yahoogroups.com 
  Sent: Tuesday, May 24, 2005 7:57 AM
  Subject: [MouthpieceWork] Mpc Insert Materials


  The material J. Gerber uses is called Perspex in Europe (source: his 
  post on SOTW).  It is a Lucite product.  It is basically 
  plexiglass....cast acrylic marketed under this name.  In this country 
  it is marketed under various other names (acrylite is one). I may give 
  it a try.  It has good properties for mpc application from what I have 
  discovered so far.  Its avaliable in a variety of colors and 
  thicknesses.  It curves well when thin, its durable and can handle a 
  wide range of PH values.  It may tollerate plating with the right 
  adhesive.  If I get a sheet I will post results and source.




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