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HM-622 is with vegetable oil as raw material, followed by ester exchange, high temperature esterification, acetylation and epoxidation steps to synthesize a kind of universal environmental protection plasticizer, which is used as main plasticizer that has good compatibility with PVC.
| 项目 | 检验方法 | 指标 |
|---|---|---|
| 外观 | 目测 | 浅黄色透明液体 |
| 色度（Pt-Co）≤ | GB/T 1664-1995 | 150 |
| 酸值（以KOH计）（mg//g）≤ | GB/T 1668-2008 | 2 |
| 碘值/％≤ | GB/T 1676-2008 | 5 |
| 环氧值/％≥ | GB/T 1677-2008 | 4.0 |
| 环氧值/％≥ | ASTM D 1652-04 | 4.6 |
| 密度(20℃)/(g/cm3) | GB/T 4472-2011 | 0.9700～1.0000 |
| 闪点/℃ ≥ | GB/T 1671-2008 | 230 |
| 加热减量/%≤ | GB/T1669-2001 | 0.2 |
