| Alpha plaster is widely used as a filler or additive in various applications, from grouts to jewelry investment casting powders. Our alpha hemihydrate bases are high purity (≥ 94%) and produced for consistent results. |
TYPICAL PHYSICAL PROPERTIES
| Product | Alpha BT | Alpha Mix |
| Plaster to Water Ratio (%P/W) | 200 – 220 | 200 - 220 |
| Water to Plaster Ratio (%P/W) | 50 – 55 | 40 - 55 |
| Initial Setting Time by Knife Setting (minutes) | 8 - 22 | 8 - 25 |
| Final Setting Time by Shore A (minutes) | ≤ 50 | ≤ 50 |
| Fluidity by Schmidt Ring (mm) | 140 – 240 | 180 – 250 |
| Screen analysis (% Weight Retained) | ||
|
100 microns (dry)
|
0.04 – 0.2 | ≤ 2.50 |
|
63 microns (wet)
|
≤ 0.60 | < 5.00 |
| Particle size distribution (dv50 - microns) | 5 - 9 | 10 - 20 |
INSTRUCTIONS
STRORAGE AND USE
When properly used, Plaster is safe to handle and easy to work with. Keep indoors in a dry, stable environment. Do not stack more than two pallets high. Keep from drafts. Rotate stock. Always follow handling and use directions and safety warnings on the package.
SHELF LIFE
- Best before 6 months from manufacture.
