From: BretCahill@aol.com   
      
   > > Like flexible elastic refractories they just don't exist.   
   >   
   > Soak glass in high concentration nitric acid, and those refractories do for   
   a little while.   
      
   I'm looking for really stretchy stuff that won't leak gas.   
      
   If it's stretchy it ain't crystalline and therefore leaks.   
      
   If it's crystalline, it won't leak but it ain't stretchy.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)