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Treatment; 10 Jan 1994; Clean,remount.; Ceramics & Glass

Reason: Permanent Exhibition
Description: Steam cleaned using distilled water; run off dirt and water absorbed into soft tissue paper. Surface deposit removed mechanically using a pneumatic power pen Back and sides of tiles sealed with 20% Paraloid B72 (ethyl methacrylate copolymer) in acetone applied with a paint brush. Tiles adhered to the roughened surface of an aluminium backing plate with Araldite 2005 (epoxy) mixed with Cab-o-sil (fumed silica). Any excess around the edge of the tiles wiped off with tissue and acetone.
Details: Treatment