Because the waste oil contain too much contamination, including non-hydrocarbon, alkene, polycyclic aromatic hydrocarbon, metal hydronium, impurities, metal particles, asphaltene and colloid etc. and due to the traditional technology _disibledevent="#333333"> Component Percentage(%) water 1.5％ Gasoline/diesel oil 7％ Light Lubrication oil 42％ Heavy Lubrication oil 43％ Residue 6.5％ Total 100％

IV. Oil analysis (take the waste diesel engine oil for example)

Item	Heavy Lube oil	Light Lube Oil
Appearance	lucidity	lucidity
Color                        ≤	1.5	1
Viscosity （40℃）mm2/s	49.57	26.86
Viscosity Index             ≥	96	95
Anti-oxidation 150℃，min  ≥	180	180
Deemulsification，54℃	5min	5min
Flash Point(Open)℃        ≥	228	224
Pour Point ℃             ≤	－12	－16
neutralization value (mgKOH/g) ≤	0.02	0.02