Expanding polyurethane foam for plug deisgn?

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20_rc51_00	20_rc51_00 posted 11 Years Ago HOT Topic Details
Group: Forum Members Posts: 95, Visits: 548	Anyone use this type of material in the past? http://www.smooth-on.com/Rigid-and-Flexible/c10/index.html There are various densities, I have tried the 3lb density but it seemed a bit too soft and the surface next to the mold that I poured it in seemed to stay soft and not hard like that exposed to the air. Also the cells on the mold side seemed to crush/pop on their own once pulled from the mold under atmospheric pressue. \ I was thinking that a 8-10lb density would be better for shaping and then surface finishing. Any thoughts or suggestions?
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Matthieu Libeert	Matthieu Libeert posted 11 Years Ago HOT Post Details
Group: Forum Members Posts: 955, Visits: 3.4K	As far as I know you need another release agent... I've used APW instead of a "normal" composites release agent... I did some tests with a mouldwas and was unable to remove the part... https://www.youtube.com/watch?v=3rRo1nZ2imI In the video above I made a tutorial on how to work with it, the video was with a soft polyurethane but the process is exactly the same with rigid polyurethane Matthieu Libeert Founder MAT2 Composites X Sports website: www.mat2composites.com
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20_rc51_00 - 11 Years Ago

matthieutje65 - 11 Years Ago

nmicro - 11 Years Ago

matthieutje65 - 11 Years Ago

20_rc51_00 - 11 Years Ago

Hanaldo - 11 Years Ago

It could surely work! make a skeleton out of wood for example, fill the gaps with PU-foam from...

matthieutje65 - 11 Years Ago

Hanaldo - 11 Years Ago

Post pics if you can I would be very interested in following.

20_rc51_00 - 11 Years Ago

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