| Commodity | Ethylene Glycol | Standard | GB/T 4649-2019 |
| Batch number | SDCC/DY-230919 | Date of Inspection | SEP 19TH, 2023 |
| Items | Index |
| Superior Grade | First Grade | Result |
| Appearance | Colorless transparent liquid, no visible impurities | Match the norm |
| Purity,% ≥ | 99.9 | 99.0 | 99.92 |
Chromaticity
(in Hazen) (Pt-Co),≤ | 5 | 10 | 1 |
| Density,g/cm3 | 1.1128-1.1138 | 1.1125-1.114 | 1.1136 |
| Initial Bolling Point,ºC ≥ | 196 | 195 | 196.4 |
| Dry Point,ºC ≤ | 199 | 200 | 195 |
| Moisture,% ≤ | 0.08 | 0.2 | 0.034 |
| Acidity(as acetic acid)/(mg/kg) ≤ | 10 | 30 | 0.0 |
| Iron(Fe)/ (mg/kg) ≤ | 0.1 | 5.0 |
|
| Diethylene glycol,% ≤ | 0.05 | 0.60 | <0.0010 |
Aldehyde
(as formaldehyde)/(mg/kg) ≤ | 8.0 | - | 1.5 |
Ultraviolet transmittance,% 220nm,≥275nm,≥
350nm,≥ | 75
92
99 | - | 85.3
93.0
100 |
| TEST CONCLUSION | Superior Grade |