... ,plastic,tyre oil,waste engine oiland crude oil 3,negative pressure prodution Main Technical Characteristics 1. The key unit adopts vacuum ... raw oil is not less than 80%. 5. The design of unit is reasonable, the manufacturing process is advanced, the operation is highly automatic and the safety ... rubber 2. Waste oil, e.g. waste diesel, waste engine oil and waste oil dregs etc 3. Waste raw oil ...