Re: Secondary form, New idea!!

["Mike Harrison" <mike-at-whitewing.co.uk> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

On Sun, 10 Sep 2000 15:22:55 -0600, you wrote:

>Original poster: "Alex Madsen" <alexmadsen-at-netzero-dot-net> 
>
>Secondary form
>
>Hi all
>The 6" pvc I bough for my secondary form I found out was only covered in
>white pvc. The inside ¾ is black PVC. I read here some where that that is
>very bad due to the carbon used to turn it black. Is this true? 

I think the usual method of testing for carbon content is to put a
sample in a microwave - if it gets warm there's carbon. Or if you have
access to another TC see if you can draw sparks from it.