Dear MITRA I purchased glue I thought was acid free to make a few linen panels. It turned out I’d gotten the right brand but the wrong subtype of glue. I measured the pH of the glue (Gorilla wood glue, a PVA-based adhesive) with a pH stick and got a reading of 4. I also checked my linen and got a reading of 5, which surprised me as I’d wrongly assumed linen was acid-free, essentially. I won’t use this glue again but have one panel I already started a painting on and with my bad painting luck, I won’t be able to recreate what I’ve done easily on a new panel as it depends on the initial oil sketch going well (it’s in the lap of the gods, as they say). Should I throw it out or might it have a hope of surviving with that particular pH of glue having been used on good, reasonably thick linen (Claessens loomstate, medium texture, 275 gsm) attached to masonite?
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