Crystacal C3 is an alpha based plaster. This product is used for high demanding investment powder formulations when high mechanical properties are essential. It can be used as base plaster in formulations.
Very strong mechanical behaviour
Designed for demanding investment powder formulation
| Chemical Properties | |
|---|---|
| Chemical Composition | CaSO4, 1/2 H2O |
| Chemical Name | Calcium Sulphate Hemihydrate |
| Colorimeter (a value) | -0.5 to 1.5 |
| Colorimeter (b value) | 1.5 to 5.0 |
| Colorimeter (L value) | 91.5 to 95.5 |
| Colour | White |
| Mechanical Properties | |
|---|---|
| Dry compressive strength (Mpa) | > 44 |
| Wet Compressive strength (Mpa) | > 20 |
| Setting Parameters | |
|---|---|
| Final setting time (minutes) | 7 |
| Initial setting time (minutes) | 5 |
| Linear Expansion (%) | <0.55% |
| Physical Properties | |
|---|---|
| Particle Size Distribution (mesh size and % weight retained) | <0.15% at 250 µm |
| Plaster to Water Ratio | |
|---|---|
| Plaster to water mix ratio (by weight) | 100/35 |
| Plaster to Water Ratio (by weight) | 2.86:1 |
| Water to plaster ratio ( by weight) | 35% |
Additionnal technical characteristics:
Packaging available : 1400 kg
Shelf life : 6
Packaging available : 30 T
Shelf life : Technical properties noted are at receipt of goods.