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Where do I get half inch plastic sheet for cheap?

Hey, I have a CNC milling machine and I mill things mostly out of plastic. I'm just looking for a cheap place to get plastic sheet if anyone knows where I can get it. I need 1/2 inch. I am currently getting it on amazon for about $10 per square foot (including shipping). Here is the shop
http://www.amazon.com/HDPE-Density-Polyethylene-Sheet-White/dp/B000ILJZNY/ref=sr_1_13?ie=UTF8&s=industrial&qid=1256085952&sr=8-13
I really don't care what kind of plastic it is as long as it is cheaper and of comparable strength.
Thanks

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jeff-o7 years ago
Are there any surplus stores in your area?  One close to me sells plastic scraps of varying thicknesses - some over 2" thick (mostly delrin, I recall).
galaxyman7 (author)  jeff-o7 years ago
do you mean a hardware store or army surplus store? I haven't found any places that sell scraps around here. I live near Santa Barbara, CA
Well, the one close to me has all sorts of stuff, including army surplus.  When you do a yellow pages search for "surplus" in your area, have you visited all of the places that turn up?  Surely there's someplace that has scraps.
galaxyman7 (author)  jeff-o7 years ago
I think I might have found a "salvage and surplus merchandise" store, so I will head down there to see what they have.
You could probably just call them first and save yourself the trip, if plastic is all you need...
Burf7 years ago
I wanted some 3/4" thick acrylic for a project and was able to find it here:<br /> http://www.lairdplastics.com/<br /> Cheap? Cheap is relative I suppose, every place I found seemed over-priced to me, but on the home page look for <strong>Clearance Items</strong> under the<strong> "Products" </strong>tab. You might get lucky<br /> <br /> <br />
galaxyman7 (author)  Burf7 years ago
How much do you think they were selling it per square foot?
Burf galaxyman77 years ago
I found what I needed in the clearance items section and it was priced accordingly. Prices on other items there varied according to the product and dimensions, there was no uniform pricing scale that I am aware of. Your best bet is to go there, see what they have that would meet your needs and price range.
Re-design7 years ago
I used to get plastic really cheap.  There was a manufacturing company close that made things out of plastic.  They always had a really big bin of cut off pieces you could pick thru and they would just sell it by the pound.  Pennies on the dollar.

There was also a plastics dist. that did the same thing.
galaxyman7 (author)  Re-design7 years ago
You know of any places near Santa Barbara, CA?