Don Silsbe Posted December 8, 2022 Report Share Posted December 8, 2022 I just want to share a tip I discovered on an old MAS epoxy video. One problem is knowing how soon it’s OK to apply an additional coat of epoxy on your work. MAS recommends a test using a cotton ball. Lightly touch the recently epoxied surface with a cotton ball. If it comes away clean, it is not ready yet. If fibers are left behind on the surface, you can give it another coat. NOTE: Do this test in an obscure corner. Those cotton fibers are going to peek through your final product. Also, this test doesn’t work after four or six hours. Quote Link to comment Share on other sites More sharing options...
Oyster Posted December 8, 2022 Report Share Posted December 8, 2022 2 hours ago, Don Silsbe said: I just want to share a tip I discovered on an old MAS epoxy video. One problem is knowing how soon it’s OK to apply an additional coat of epoxy on your work. MAS recommends a test using a cotton ball. Lightly touch the recently epoxied surface with a cotton ball. If it comes away clean, it is not ready yet. If fibers are left behind on the surface, you can give it another coat. NOTE: Do this test in an obscure corner. Those cotton fibers are going to peek through your final product. Also, this test doesn’t work after four or six hours. Did you mistype this description? Or are you saying that purely wet resin does not pull any cotton fibers away when touching it? Quote Link to comment Share on other sites More sharing options...
Don Silsbe Posted December 9, 2022 Author Report Share Posted December 9, 2022 It is correct. Wet epoxy does not pull fibers away. Try it! Quote Link to comment Share on other sites More sharing options...
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