Structure: The asphalt extractor consists of a polished aluminium alloy bowl, a stainless steel centrifuge axial and a stainless steel housing case. Parameters: 1. Working voltage:AC220V±10% 2. Power: 550W 3. Speed variable between 500 and 3000 rpm 4. Capacity: 3000g 5. Time digital display, timing option: 30s, 60s, 90s, 120s, 150s 6. Weight: 45kg 7. Measurement: 380x350x400mm Features: multilevel timing provides options for extacting time according to test requirement; with shock-damping device, preventing mine powder from running away. Rapid extraction, easy operation, reliable performance, low noise