Low and medium viscosity, Italgin, chromatic dental alginate impression material, Latex stone flower clay for children, resin, Modroc P. Decorative items, occasional moulds, impressions, models, etc. Large items may need a framework. Artists’ is stronger than Fine Casting plaster.
Sculptures and casts requiring durability, reusable moulds and items likely to be handled frequently. Longer drying time in slip moulds but greater detail. Suitable for life-casting if painted, etc. 2, and much-favoured for life-casting work. Moulds or casts requiring extreme durability, or where the finest possible detail is necessary, e. Statues, figurines, water features, sculptures and all outdoor work.
Casting work lends itself to improvisation both with materials and methods, and it is very satisfying to see a work-of-art evolve from what-starts- off-as just a powder or a liquid. Paris while it is still just a powder, e. Unlike other types of gypsum, casting plaster is very pourable once mixed with water but sets quite suddenly, usually at somewhere between 10 and 30 minutes, depending on the particular variety. Making Plaster-of-Paris Moulds Although it can be sculpted as a ‘negative’, more usually a plaster mould is formed from an original or prototype.