Polyol Ester Plasticizer
Polyol Ester Plasticizers are synthesized from polyols such as trimethylolpropane or pentaerythritol esterified with fatty acids, offering excellent low-volatility and high-temperature stability compared to phthalate plasticizers. They provide superior heat and oxidation resistance, making them the preferred choice for demanding applications such as automotive under-hood PVC and high-temperature wire insulation. Polyol esters are compatible with PVC, PU, and rubber.
Technical Specifications
| appearance | Colorless to light yellow liquid |
| moisture (%) | ≤0.05 |
| flash point (°C) | ≥220 |
| acid value (mgKOH/g) | ≤0.1 |
| viscosity at 25°C (mPa·s) | 50–200 |
Applications
- High-temperature PVC wire insulation
- Automotive under-hood PVC parts
- PVC military and aerospace cable
- High-performance PU coatings
- Heat-resistant rubber gaskets
Key Features
- Extremely low volatility for high-temperature use
- Excellent heat and oxidation stability
- Low migration and extraction resistance
- Compatible with PVC, PU, and rubber
