109 Posted August 13, 2016 Share Posted August 13, 2016 (edited) Hi, I have a question regarding casting clear epoxy resin for a water diorama... I just casted the "water" of a diorama and I made a mistake ... I calculated the volume but - probably - forgot to calculate the necessary mass of epoxy resin. So, my sea level is a bit too low. Can I cast a second layer over the first after the first layer has cured? Or do I get a visable seperation between the two layers? Any hints and tips are welcome! Thanks! Bye, Bernd. Edited August 13, 2016 by 109 Link to comment Share on other sites More sharing options...
GrahamF Posted August 13, 2016 Share Posted August 13, 2016 No problem at all, you won't see the layers. Its better in layers anyway as a big amount can get too hot. Graham 109, Vandy 1 VX 4, Zero77 and 1 other 4 Link to comment Share on other sites More sharing options...
109 Posted August 13, 2016 Author Share Posted August 13, 2016 Thanks Graham, I will cast a second layer. The resin takes 72 hours to cure so it doesn't get very hot. Bye 😊 Harold 1 Link to comment Share on other sites More sharing options...
wunwinglow Posted August 13, 2016 Share Posted August 13, 2016 On some of our architecural models we used layers each with a tint of pigment, graded from darker to nothing. Gives a very effective impression of changes in depth..... Zero77, Bravo52, AndersN and 3 others 6 Link to comment Share on other sites More sharing options...
MikeMaben Posted August 13, 2016 Share Posted August 13, 2016 Question : what happens if the first layer 'isn't' cured ? 109 and Zero77 2 Link to comment Share on other sites More sharing options...
Tench Posted August 13, 2016 Share Posted August 13, 2016 A huge mushroom cloud! LSP_K2, 109 and D.B. Andrus 3 Link to comment Share on other sites More sharing options...
GrahamF Posted August 13, 2016 Share Posted August 13, 2016 Epoxy never cures! I've got a contour model of a Scottish Island that was a college project when I was an Industrial modelmaking student in 1987 in the attic, Its still tacky to this day! Graham 109 and Zero77 2 Link to comment Share on other sites More sharing options...
ssculptor Posted August 14, 2016 Share Posted August 14, 2016 If the resin is not too old, and if it did not undergo freezing during shipment and/or storage, and if it was mixed in the proper proportions, it should reach a state when it will no longer be tacky. Link to comment Share on other sites More sharing options...
Zero77 Posted August 14, 2016 Share Posted August 14, 2016 Epoxy never cures! I've got a contour model of a Scottish Island that was a college project when I was an Industrial modelmaking student in 1987 in the attic, Its still tacky to this day! Graham Same problem for me with the two component epoxy glue. Even if i take care to mix precisely the same proportion of A and B, it's still tacky several days after, and a bit soft. Not very suitable for sanding anyway. The only one i like is the JB Weld, but i dont even know if it's an epoxy glue. It's so hard it certainly comes from the ancient gods or something. Link to comment Share on other sites More sharing options...
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