1. Size: 217X85X62.23cm, if include cover height will be 188cm 2. Fixed pressure: 600Kpa 3. Rotation perspective: 1.25° 4. Inside diameter of mould: 150mm or 100mm 5. Rotation times of each test: 0~300 6. Rotation rate: 30rpm 7. Data collection: collect specimen height data after each rotation