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furfural
extract oil
Blending
Aromatic Oil
| Test item | Quality index of each model
|
Experimental method | |||||
|---|---|---|---|---|---|---|---|
| Appearance | Dark green and dark | Dark green and dark | Dark green and dark | Visual | |||
| Kinematic viscosity (100 degrees C) /mm2/S | 15-25 | 42729 | 18-35 | GB/T265 | |||
| Density (15.6 degrees C) /g/cm3 | 0.97-1.04 | 0.95-1.02 | 0.98-1.04 | GB/T1884 | |||
| Flash point (opening) / C | ≥200 | ≥200 | ≥210 | GB/T3536 | |||
| Water (azeotropic distillation /%) | mark | mark | mark | GB/T260 | |||
| ash content/% | actual measurement | actual measurement | actual measurement | GB/T508 | |||
| Pour point/℃ | ≤35 | ≤15 | ≤35 | GB/T3535 | |||
| Aniline point/℃ | ≤35 | GB/T262 | |||||
| sulfur content/% | 实测 | GB/T380 | |||||
| Refractive index(20℃) | ≥1.530 | GB/T614 | |||||
| Carbon type analysis | GB/T511 | ||||||
| CA | 35—45 | ||||||
| CN | 20—30 | ||||||
| CP | 30—40 | ||||||
| Heating reduction(150℃×1.5h)/% | ≤0.7 | 0.7 | GB/T11964 | ||||