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| Page principalePlastersSaint Gobain Formula RM1098 Finest Casting Plaster |
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Saint Gobain Formula RM1098 Finest Casting Plaster From £2.49
 Fine Casting Plus is a formulated hemihydrate plaster (CaSO4.1/2H2O) produced from naturally occurring high purity gypsum mineral. It is off-white in colour. It is used for the production of decorative fibrous plasterwork, film set construction and in general casting applicationsWorking properties are perfectly suited for decorative plasterwork production. Excellent batch to batch consistency. Increased strength and surface hardness compared to Fine Casting Plaster Good reproduction of fine detail Shelf life of 9 months Plaster to Water Ratio (by weight) 1.43:1 Water to plaster ratio ( by weight) 70% Chemical Properties Chemical Composition CaSO4.1/2H2O Colour white Setting Parameters Initial setting time (minutes) 20 Final setting time (minutes) 25 Linear Expansion (%) 0,2 Mechanical Properties Brinell Hardness (MPa) 22 Dry compressive strength (Mpa) 16 Wet Compressive strength (Mpa) 7 Physical Properties Particle Size (% weight retained) 2% at 90 µm 5% at 63 µm 25% at 32 µm Loose bulk density (kg/m³) 700 Bulk density (compacted) kg / m³ 1100
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