[sdiy] Anvil Case Foam Rubber - Where to get it?

[Robert Shanks]

My Chroma has the foam rot, too.  I've recently been ordering some  
foam for another project.

Here are two kinds of foam:

The harder polyethylene foam used in the corners of the Chroma case:
http://www.foamandfoam.com/Polyethylene_Foam.htm
It's quite cheap at $16.84 for a black quarter sheet. 24" x 54" x 1"   
2.3 PCF (pounds/cubic foot) density

The softer polyurethane packing foam I recently ordered for my Chroma  
case:
http://www.foamdistributing.com/products/charcoalr.html
It's $25 for a full sheet, 80" x 72" x 1"  1.3 PCF.  To ship the foam  
sheet, they roll it up, put it in a plastic bag and suck all of the  
air out of it.  The box was about 10" x 10" x 24".
After receiving a sheet of this foam, I think you may need a denser  
foam.  The Chroma touches this foam with a lot of surface area so it  
might be fine. I don't have the old foam to compare it to.  I still  
have to de-gunk my Chroma.

Hmm... Anvil made the original Chroma case.   Here is the current  
Anvil spec:
http://www.anvilcase.com/casedetails/foam.html
Ah Ha, They are using 2.0 PCF and 3.8 PCF so my gut feeling that the  
1.3 PCF was a little soft is right.  Also Anvil is using polyester  
foam.  Time for more net searches...

Hope this helps.
Robert


On Sep 18, 2008, at 2:04 AM, Ken Elhardt wrote:

> I have a couple of big anvil cases for Jupiter-8 synths.  I was going
> to sell one or both.  But when I opened them up for the first time in
> 11 years, the foam rubber is decomposing away and falling apart.  My
> hand goes right through it.  Has anybody ever bought this stuff for
> road cases and if so where?  It's a rather dense foam rubber that can
> support heavy items without compressing too much.  I'd like to think I
> could find a business within driving distance to purchase it as it
> doesn't seem practical to mail order something of such a large size.
>
> Thanks,
> -Elhardt
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