Registrars ask about dust and access before they ask about clarity — and the two questions are one design problem. The access decision that drives the sealing approach, the gasket and interface options as actually built, and why machining precision is the real sealing enabler.
Glass wins on surface hardness; acrylic wins on weight, break behavior, spans, and fabrication freedom. The comparison every exhibit designer runs, with the trade-offs conceded plainly instead of cheerled.
Most damage to acrylic casework is done by cleaning it — dry cloths, glass cleaner, and sanitizing wipes, in that order. The do/don’t protocol, the chemistry behind it, and a one-page routine your gallery staff can actually follow.
UV-filtering acrylic is a material property, not a magic word — it lives on a manufacturer’s data sheet and a lot certificate, not in a vendor’s adjective. Which objects drive the decision, how to read the sheet, and the one-line spec that replaces “conservation-safe.
The ten vendor-qualification questions that separate a capable casework fabricator from a hopeful one — and the specific answer each question should get.
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