bradleyheathhays Posted August 3, 2023 Report Share Posted August 3, 2023 I need to make a series of completely flat sanding blocks and I've chosen to use 1/4" acrylic sheet for my backing. Previously when I Titebond 3 glued sandpaper to sheets of 1/8" acrylic they were all curled after the glue cured. So I've switched up to 1/4" acrylic and I'm searching for an appropriate glue that doesn't shrink. I would use rubber cement but the way that application works, apply to both sides, let dry and combine, would make for unwanted little lumps. I'll be using a brayer to make everything as even as possible after the paper is laid down on the glue surface. Any suggestions for a better glue? Quote Link to comment Share on other sites More sharing options...
wtnhighlander Posted August 3, 2023 Report Share Posted August 3, 2023 Two-part epoxy has little to no shrinkage. Quote Link to comment Share on other sites More sharing options...
Chestnut Posted August 3, 2023 Report Share Posted August 3, 2023 Spray adhesive? It's strong enough for all the sanding I do. 1 Quote Link to comment Share on other sites More sharing options...
JohnG Posted August 3, 2023 Report Share Posted August 3, 2023 On 8/3/2023 at 7:36 AM, Chestnut said: Spray adhesive? It's strong enough for all the sanding I do. +1 I made some sanding surfaces with pieces of melamine shelving and spray glued 2 full sheets side by side. No bubbling or wavy parts at all. Quote Link to comment Share on other sites More sharing options...
Mark J Posted August 3, 2023 Report Share Posted August 3, 2023 Peel and stick adhesive backed sandpaper. Does the sandpaper need to be removable? 1 Quote Link to comment Share on other sites More sharing options...
pkinneb Posted August 3, 2023 Report Share Posted August 3, 2023 On 8/3/2023 at 7:45 AM, Mark J said: Peel and stick adhesive backed sandpaper. Does the sandpaper need to be removable? This is what I use now, just buy a role and cut it as needed. Quote Link to comment Share on other sites More sharing options...
Chestnut Posted August 4, 2023 Report Share Posted August 4, 2023 23 hours ago, Mark J said: Peel and stick adhesive backed sandpaper. Does the sandpaper need to be removable? I've used peel and stick with spray adhesive at times. I must have gotten bad peel and stick because it struggles sticking to some smooth surfaces. Quote Link to comment Share on other sites More sharing options...
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