Search found 133 matches
- Tue Apr 29, 2014 5:23 am
- Forum: Ski/Snowboard Design and Layup
- Topic: The pouring urethane sidewall thread
- Replies: 288
- Views: 203670
thats the stuff. The other guys here have heaps more experience with it than me but 1 thing I will say is make sure you have wide mixing pots. Last time I mixed it in a 1 litre mixing pot and pot life was shortened by about 50% Are you making skis or boards or something else? The white PU (325 I th...
- Wed Apr 23, 2014 10:28 pm
- Forum: Ski/Snowboard Design and Layup
- Topic: PU sidewall mold?
- Replies: 19
- Views: 15982
ELONGATION AT BREAK IS 10%? UHMW is 250% doesnt sound like the right stuff. http://www.smooth-on.com/tb/files/SMOOTHCAST_325_326_327_COMBO_TB.pdf MM, I've made some calls and there is a product from Smooth On called TASK12 And that has got 350% ELONGATION break, viscosity as engine oil, works well ...
- Wed Apr 23, 2014 5:57 am
- Forum: Yard Sale (non commercial)
- Topic: FS: I-Beam Press and Materials, Adelaide $5000
- Replies: 3
- Views: 4654
- Mon Apr 21, 2014 7:35 pm
- Forum: Ski/Snowboard Design and Layup
- Topic: PU sidewall mold?
- Replies: 19
- Views: 15982
A peace of warning: the HDPE mold is distorting with a heat. Not only that, when HDPE is machined like this mold was, it will bend and distort. The solution for this might be to secure your HDPE mold with a metal rods or something or make a mold of aluminium. Wood is no good as well coz of the heat ...
- Fri Apr 18, 2014 8:51 pm
- Forum: Ski/Snowboard Design and Layup
- Topic: PU sidewall mold?
- Replies: 19
- Views: 15982
- Fri Apr 18, 2014 5:46 pm
- Forum: Ski/Snowboard Design and Layup
- Topic: PU sidewall mold?
- Replies: 19
- Views: 15982
- Thu Apr 17, 2014 5:22 pm
- Forum: Ski/Snowboard Design and Layup
- Topic: PU sidewall mold?
- Replies: 19
- Views: 15982
- Thu Apr 17, 2014 8:21 am
- Forum: Ski/Snowboard Design and Layup
- Topic: The pouring urethane sidewall thread
- Replies: 288
- Views: 203670
- Thu Apr 17, 2014 8:14 am
- Forum: Ski/Snowboard Design and Layup
- Topic: PU sidewall mold?
- Replies: 19
- Views: 15982
My new batch! this one is 327, transparent, nice fluorescent colors, can take a night photo when charged with a light. They look awesome in a dark. Better than expected. Post cured on 60psi, and heat cured on 55C for 3hrs. http://boardbuilders-forum.1077691.n5.nabble.com/file/n1410/DSC05489_%28Small...
- Fri Apr 04, 2014 2:42 am
- Forum: Ski/Snowboard Design and Layup
- Topic: The pouring urethane sidewall thread
- Replies: 288
- Views: 203670
The PU PMC 790 test, same size, cured on 50psi, same dimensions. Hammer test, no visible break: http://boardbuilders-forum.1077691.n5.nabble.com/file/n1400/DSC01021_%28Small%29.jpg The finger nail imprint: http://boardbuilders-forum.1077691.n5.nabble.com/file/n1400/DSC01023_%28Small%29.jpg Bend test...
- Tue Apr 01, 2014 7:47 am
- Forum: Commercial postings
- Topic: Crown Plastics FYI
- Replies: 6
- Views: 6637
- Tue Apr 01, 2014 5:47 am
- Forum: Commercial postings
- Topic: Crown Plastics FYI
- Replies: 6
- Views: 6637
- Sun Mar 30, 2014 7:34 pm
- Forum: Commercial postings
- Topic: Crown Plastics FYI
- Replies: 6
- Views: 6637
- Thu Mar 27, 2014 5:31 am
- Forum: Ski/Snowboard Design and Layup
- Topic: The pouring urethane sidewall thread
- Replies: 288
- Views: 203670
- Tue Mar 25, 2014 4:05 am
- Forum: Ski/Snowboard Design and Layup
- Topic: The pouring urethane sidewall thread
- Replies: 288
- Views: 203670