Alfamolde NR
Alfamolde NR is a formulated plaster used in ceramics to produce working moulds for the automatic forming of clay.
Benefits
Designed for jiggering
Expansion controlled
High permeability
Technical data
| Chemical Properties | |
|---|---|
| Chemical Composition | CaSO4.1/2H2O |
| Colour | white |
| Minimum gypsum purity % | 93 |
| Setting Parameters | |
|---|---|
| Initial setting time (minutes) | 10 |
| Vicat Ring Fluidity (cm) | 18,5 |
| Physical Properties | |
|---|---|
| Particle Size (% weight retained) |
Trace at 200 µm 1.4% at 100 µm |
| Plaster to Water Ratio | |
|---|---|
| Plaster to Water Ratio (by weight) | 1.61:1 |
| Water to plaster ratio ( by weight) | 62% |
Instructions for use
The recommended plaster to water ratio is between 1.5:1 and 1.70:1, with a mixing time of approx. 2 to 4 minutes, depending on batch size and plaster shop process. Water and Plaster must be measured carefully to ensure constant performances. 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, strength and permeability.
Packaging and shelf life
Bag
Packaging available : 25 kg
Shelf life : 6 months