HDPE is perfect for custom vacuum clamping jigs and fixtures because it is non-porous. It holds vacuum pressure very, very well. It's also very strong and yet machinable with almost any woodworking tool. I've sawn, routed, turned, planed, and tapped HDPE with no problem. This HDPE is sold without any ports or holes drilled in it so that you can make a vacuum clamping jig in any size we stock.
Our pricing on HDPE is a bit expensive so check with your local plastics supplier to see if they can offer it to you for less than our website price.
Material: High-Density Polyethylene
Thickness: .75"
Color: Opaque white/natural
Finish: Smooth
Edges: Saw cut
Width and Length Tolerance: +/- .25"
Hardness: Shore D 62-69
Suitable Temperature: -40° to +149° F
Weight: 3.75 lbs per squarer foot
Tip from Joe
Don't forget to order a 1/8" NPT pipe tap, brass fitting, and vacuum gasket tape to complete you vacuum jig. You might also need the vacuum clamping add-on if you have a Project: EVS-2 or V4 vacuum press system.
Review by Scott Tucker
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We use the HDPE blanks to manufacture vacuum clamping jigs in our guitar fabricating shop. It's easily machinable, holds fasteners extremely well and very durable used as jigs in heavy production use.
Review by Dale Arnett
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Very good product, with a good price. Fast a friendly service. They let me know as soon as the unit shipped and had FedEx keep me up to date on when it would arrive.
Review by Brian O.
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I like that this plastic is machine-able and that it doesnt create a lot of dust when it is cut. I use HDPE for custom vacuum jigs but I have also started using it anywhere I need something that has screw-holding abilities and needs to be used outdoors. I've used it to make brackets and mounting blocks for my motor-home, boat, and trailer. I've also made fixtures and wall plates for my garden hose with this material. You can route it too. It routes well and the edges stay sharp.
My vacuum jigs (about 20 of them now) vary in size from 6"x6" square to a 22" perfect circle that I use for template routing when making batch runs of pedestal tables.
The material arrived at my house within a day of ordering and I feel the shipping was fair.