Thanks a lot Karl.  Those seem to be excellent references.

Larry A.

On Sat, Dec 21, 2013 at 11:58 PM, Karl Mullendore <tdiguru@westyventures.com
> wrote:

> http://www.northwestpolymers.ca/plasticid.html
>
> http://www.bestmaterials.com/PDF_Files/BAK-Plastic-Welding2.pdf
>
> http://www.urethanesupply.com/identify.php
>