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Removing Tape Residue From Grain Mounts Without Damaging the Epoxy

Started by DCoulthardJr, September 18, 2024, 05:16:01 PM

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DCoulthardJr

Hey all! Looking for some advice here. I have a grain mount with a substantial amount of bubbles surrounding the grains at the bottom of the mount. Peeling the double-sided tape off removes the plastic part of the tape but the adhesive on the sample side stayed on the epoxy round. I thought to remove the adhesive using a moderate grit SiC sandpaper (600-400) and ground the mount down until I realized that I'd intersected the crystals, but there is still a membrane of tape adhesive over all of the bubbles. It must have been pushed into the bubbles during the grind. Do any of you know of a way to remove this adhesive using a solvent without damaging the epoxy? We use Buehler EpoThin and the corresponding hardener. Also, is there a double-sided tape out there that I should look at using to mitigate this in the future? Of course, eliminating the bubbles in the first place would be ideal.