S1 is a hemihydrate plaster (CaSO4 * 1/2 H2O) produced from naturally occurring gypsum mineral.
This product is used in the ceramics industry to produce working moulds for the slip casting of sanitary ware and tableware.
Technical Information
Plaster to Water Ratio | |
Plaster to water ratio | 1,43:1 |
Water / plaster ratio (%) | 70 |
Plaster / water mix ratio (by weight) | 1.43: 1 |
Setting Parameters | |
Schimidth / Vicat Ring Fluidity (mm) | 170 – 230 |
Initial Setting Time (minute) | 13 – 20 |
Fina Setting Time (minute) | 26 – 38 |
Linear Expansion (%) | max. 0,20 |
Mechanical Properties | |
Average Dry Flexural Strength (kg/cm2) | 40 |
Average Dry Compressive Strength (kg/cm2) | 125 |
Physical Properties | |
Particle size (% weight retained) | 200 μm: <0,1 % |
Packaging and Shelf Life
| Packing | Shelf Life (Month) |
Bigbag (Ton) | 1,0 | 6 |
Kraft & Polipropilen Bag (kg) | 30 | 6 |