+x Fasta - 4/23/2019 8:16:06 AM+x Lester Populaire - 4/23/2019 8:04:13 AM+x oekmont - 4/20/2019 8:53:40 PMI infused samples with cheap eps in the past. But as it's so cheap I bagged a small sample of foam yesterday. 7mm strong. Sunk in 1/10th mm right away as I applied vacuum and then stayed there for ever. last check was a few hours ago. I agree to the point, that the 1/10 is caused by the crushing of the open surface porosity. But in the end it's a closed cell foam and therefore cannot crush under vacuum.But I would absolutely not recommend eps for mouldless processes because it's a bad material to get in precise shapes.you got me curious there and i just ran the same test as well and the foam was completely fine. I was sure i tested that once years ago and crumbled the foam, but i do not know what i did back then...Anyway, sorry for my false statement before. I think with a skim coat of resin/microballons and some sort of jig to avoid warping of the blank you should be good!I crushed a windsurf board many years ago. It seemed fine at first but then I left it for some hours and when I came back the whole deck had collapsed. I think maybe if you had a harder foam and/or also used a little less vacuum pressure? You need to make some experiments and see for yourself.
+x Lester Populaire - 4/23/2019 8:04:13 AM+x oekmont - 4/20/2019 8:53:40 PMI infused samples with cheap eps in the past. But as it's so cheap I bagged a small sample of foam yesterday. 7mm strong. Sunk in 1/10th mm right away as I applied vacuum and then stayed there for ever. last check was a few hours ago. I agree to the point, that the 1/10 is caused by the crushing of the open surface porosity. But in the end it's a closed cell foam and therefore cannot crush under vacuum.But I would absolutely not recommend eps for mouldless processes because it's a bad material to get in precise shapes.you got me curious there and i just ran the same test as well and the foam was completely fine. I was sure i tested that once years ago and crumbled the foam, but i do not know what i did back then...Anyway, sorry for my false statement before. I think with a skim coat of resin/microballons and some sort of jig to avoid warping of the blank you should be good!
+x oekmont - 4/20/2019 8:53:40 PMI infused samples with cheap eps in the past. But as it's so cheap I bagged a small sample of foam yesterday. 7mm strong. Sunk in 1/10th mm right away as I applied vacuum and then stayed there for ever. last check was a few hours ago. I agree to the point, that the 1/10 is caused by the crushing of the open surface porosity. But in the end it's a closed cell foam and therefore cannot crush under vacuum.But I would absolutely not recommend eps for mouldless processes because it's a bad material to get in precise shapes.