Gyprock Pottery Plaster is used for the manufacture of moulds for sanitary ware as well as for general casting applications. This plaster is grit free with a short setting time and is ideal for toilet and wash basin moulds. Moulds should be thoroughly cleaned and coated with a release agent where appropriate. Pour the mixed plaster into prepared moulds. Exclude air bubbles when pouring mould by bumping or rocking and pouring slurry at an appropriate point.
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