Amphore Cast A is a unformulated beta hemihydrate plaster. This plaster is used in the construction material industry as a component in proprietary formulations or as a raw material material for plastertiles and design elements
Beta plaster
Fine Particle size distribution
High Purity
| Physical Properties | |
|---|---|
| Apparent Bulk Density (g/cm³) | 0,66 |
| Bulk density (compacted) kg / m³ | 950 - 1050 |
| Loose bulk density (kg/m³) | 600 - 680 |
| Particle Size (% weight retained) |
0.25% at 200 µm 4.0% at 90 µm |
| Chemical Properties | |
|---|---|
| Chemical Composition | CaSO4.1/2H2O |
| Colour | white / light grey |
| Minimum gypsum purity % | 85 |
| Setting Parameters | |
|---|---|
| End of warming phase (minutes) | 34 |
| Exothermic Reaction (°C) | 48 |
| Final setting time (minutes) | 30 |
| Initial setting time (minutes) | Vicat: 18 |
| Linear Expansion (%) | 0,17 |
| Start of warming phase (minutes) | 5 |
| Mechanical Properties | |
|---|---|
| Flexural Strength (MPa) | 2,3 |
| Plaster to Water Ratio | |
|---|---|
| Plaster to Water Ratio (by weight) | 1.45:1 |
| Water to plaster ratio ( by weight) | 69% |
Please use with the recommended plaster water ratio, with a mixing time of approx. 2 to 4 minutes.The precise consistency to use will need to be adjusted to suit the individual application. Changes to plaster to water ratio will influence product performance particularly setting time and strength.
Packaging available : 25 kg, 40 kg
Shelf life : 6 months
Packaging available : 1 T
Shelf life : 6 months
Packaging available : 23 T
Shelf life : Technical properties noted are at receipt of goods.