Date: Fri Feb 16 17:41:33 2007

Author: Jerry DiMarco

Subject: Re: Van de Graaffs

Yeah I think the original was PTFE. Then they continued producing
variants like FEP, TFE, PFA. Now there's NXT, AF, Tefzel, probably
more. They all have different characteristics. Shopping is never easy -
that's why I hate shopping...


At 04:05 PM 2/16/2007, you wrote:
>I used to know that there were at least two different materials named
>Teflon with different three-letter names
>Might have been TFE and FEP.
>Clarence Bennett
>Oakland University
>Dept. of Physics, (retired)
>111 Hannah
>Rochester MI 48309
>248 370 3418


Jerry DiMarco
Manager of Lecture Demonstrations and Instructional Labs
Montana State Univ., Physics Dept.
Bozeman, MT

Our Motto: "What would your mother do?"