PVC Enclosures

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Michael's Avatar (by Gravatar)Michael posted on
November 10, 2007, 9:24 am
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Hi,

I'm making a case for an embedded PC and am looking at using a 10mm thiick
PVC sheet I have. I've heard rumours that PVC can store charge and so isn't
ideal for an enclosure. Would I be better making it out of something else or
even just insulating it? I'll be spacing the board with nylon pillars it
won't be in direct contact but it is a noisy environment (car) and so I want
to be extra careful.

Cheers,

Michael



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Michael's Avatar (by Gravatar)Michael posted on
November 10, 2007, 3:15 pm
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Re: PVC Enclosures



Bumping to stand out from the spam.



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Gordon McComb's Avatar (by Gravatar)Gordon McComb posted on
November 11, 2007, 12:14 am
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Re: PVC Enclosures


Just about all plastics are prone to static, unless they are specially
formulated. If you still want to use the PVC just put some aluminum foil
on it. The standoffs will provide adequate isolation from possible
shorts. If you need something that looks nicer/lasts longer, you can get
thin copper and other metalic cladding at most any craft or hobby store.

-- Gordon

dan michaels's Avatar (by Gravatar)dan michaels posted on
November 11, 2007, 12:09 pm
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Re: PVC Enclosures


It's my understanding that acrylic plastic is especially bad for
static
charge, but the sort of expanded PVC material you sell is not so bad.
????

Also, something that is a little easier to use than stock aluminum
foil is
aluminized duct tape they sell in hardware stores. It is highly
conductive
and has a nice sticky backing, so it's easy to cut and apply in neat
arrangements.





Gordon McComb's Avatar (by Gravatar)Gordon McComb posted on
November 11, 2007, 7:54 pm
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Re: PVC Enclosures


Not as bad, but if any kind of static is a concern, the best defense is
a good metal ground plane!


Good idea. And cheap!

-- Gordon

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pogo's Avatar (by Gravatar)pogo posted on
November 11, 2007, 3:51 pm
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Re: PVC Enclosures


Have you checked out alucobond ? Its aluminum cladding on a polyethlyene
core.
I have some on my site and you can also find it on ebay.

JCD


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