Probably extruded HDPE, if it has a greasy, flexible feel to it. Not stable in
sunlight. Cast is better, but still not UV stable.
Cast acrylic is not quite *as* cheap, but machines well, is UV stable and
doesn't heat much from HF RF anyway.
Small quantities online from Delvie's Plastics and others.
My .02,
Jim N7CXI
Sent from my iPhone
On Jul 7, 2012, at 6:32 PM, donroden@hiwaay.net wrote:
> I was at a surplus house today, and they had a barrel full of kitchen
> cutting boards 12x12x1 and whiteish-translucent in color.
>
> Wonder what chemical they might be ?
>
> Don W4DNR
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