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Fine casting plaster is used in the manufacture of fibrous plasterwork and GRG elements, and in general decorative casting and modelling applications
Chemical composition : CaSO4½H2O
Chemical name : Calcium sulphate hemihydrates
Plaster to water mix ratio (by weight) : 100/70 (100 Part Plaster / 70 Part Water)
Water to plaster ratio (by weight) : 70%
Initial setting time (minutes) : 21
Final setting time (minutes) : 28
Wet compressive strength MPa : 5
Dry compressive strength MPa : 13
Brinell hardness MPa : 20
Linear expansion (%) : 0.2
Colorimeter L (L* value) : 92
Colorimeter a (a* value) : 0.5
Colorimeter b (b* value) : 3
Colour : white
Sieve analysis (Mesh size & % weight retained) 32microns; 30%; 63microns; 15%: 90microns 8%; 150microns 1%
Bulk density loose (kg / m³) : 800
Bulk density compacted (kg / m³) : 1200
Apparent bulk density (g/cm³) : 0.80
Shelf life (Months) : 3
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Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
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