RE: [TCML] Secondary form material

["Lau, Gary" <Gary.Lau@xxxxxx>]

While there have been reports of finding bits of extraneous matter embedded within PVC pipes, problems are very rare, and PVC itself is perfectly acceptable for a secondary form.  I've never had a problem with it.  Did you?

Regards, Gary Lau
MA, USA

> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> Behalf Of Andrew Robinson
> Sent: Friday, June 26, 2009 2:58 PM
> To: tesla@xxxxxxxxxx
> Subject: [TCML] Secondary form material
> 
> As many have already discovered, PVC is apparently a terrible material
> to use as a secondary coil form. About a week ago my engineering group
> also discovered that acrylic is extremely hard to work with. We ended up
> cracking our only secondary coil form which we slaved over to find! So
> my question to everyone out there is what on earth should we use for the
> secondary coil form. We need a 4" OD coil form and if possible, if you
> can name a material that can also be an 1/8" thick we have a nice
> cutting tool that makes the most perfect end caps. So ideally 4" OD and
> 3.75" ID is perfect for what we need. I've called numerous plumbing
> companies with no help what so ever. Thanks everyone!
> 
> Regards,
> Andrew Robinson

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