Formula Fine Casting Plaster Plus - 1kg

Formula

Item Details \n\nItem\nFormula Fine Casting Plaster Plus\n\nSize\n1kg\n\nInformation\n\nFine casting plaster is used in the manufacture of fibrous plaster work and GRG elements, and in general decorative casting and modelling applications \n\nSpecification\n\nChemical composition : CaSO4\u00BDH2O\n\nChemical name : Calcium sulphate\nhemihydrates\n\nPlaster to water mix ratio (by weight) : 100/70\n\nPlaster to\nwater ratio (by weight) : 1.43:1\n\nWater to plaster ratio (by weight) :\n70%\n\nInitial setting time (minutes) : 21\n\nFinal setting time (minutes) :\n28\n\nWet compressive strength MPa : 5\n\nDry compressive strength MPa :\n13\n\nBrinell hardness MPa : 20\n\nLinear expansion (%) : 0.2\n Colourimeter L (L* value) : 92\n Colourimeter a (a* value) : 0.5\n Colourimeter b (b* value) : 3\n\nColour : white\n\nSieve analysis (Mesh size & % weight retained)\n32microns; 30%; 63microns; 15%: 90microns 8%; 150microns 1%\n\nBulk density\nloose (kg / m\u00B3) : 800\n\nBulk density c.