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The mass 254 is a light - cream-colored burning stoneware quality with 25% fireclay 0-0.2 mm.
The recommended firing range is 1000°C – 1280°C.
The plastic mass quality is suitable for building up small pieces and turning on the potter's wheel, especially for larger pieces.
| firing colour | white-light cream | ||
| Firing range (°C) | 980 - 1280 | ||
| Chamotte percentage (%) | 25 | ||
| Fireclay grain size (mm) | 0 - 0.2 | ||
| TS (%)* | 7 | ||
| firing shrinkage | 1070°C - 3% | 1140°C - 5% | 1240°C - 7% |
| water absorption | 1070°C - 9% | 1140 °C - 6% | 1240°C - 0.4% |
| CTE x 10 -7 °C -1 | 20°C - 500°C (1240°C) | 64 | |
| application areas | Turning, building, pressing/punching | ||
| Notice | * TS = drying shrinkage at 110°C |
