| Test items | Factory index | Detection method |
| PH (5% water solution) | 4-7 | GB/368-93 |
| Unsaturation | ≥0.39 | QB/KLH-20 |
| Hydroxyl value, mgKOH/g | 21-26 | GB/T7384-96 |
| PEG content (%) | ≤2 | Liquid Chromatography |
| Double bond retention rate (%) | ≥95 | Liquid Chromatography |
| Test items | Factory index | Detection method |
| PH (5% water solution) | 4.0-5.5 | GB/368-93 |
| Unsaturation | ≥0.385 | QB/KLH-20 |
| Hydroxyl value, mgKOH/g | 21-26 | GB/T7384-96 |
| PEG content (%) | ≤1.5 | Liquid Chromatography |
| Double bond retention rate (%) | ≥95 | Liquid Chromatography |