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| Index | Standard |
|---|---|
| Appearance | Clear, colorless to pale yellow liquid |
| Total monoester content (w/%) | ≥90 |
| Free Propylene Glycol(w/%) | ≤1.5 |
| Melting Point/°C | 40~50 |
| Acid Value (mg KOH/g) | <=4.0 |
| Iodine Value (g/100g) | <=3.0 |
| Pb (mg/kg) | <=2 |





