Tricresyl Phosphate (TCP) EP/Antiwear Additive
Tricresyl phosphate (TCP) is a well-established aryl phosphate ester used as an extreme pressure and antiwear additive in aviation turbine oils, industrial gear oils, and high-performance automotive lubricants. It forms a tenacious iron phosphate tribofilm at elevated temperatures that protects against scuffing under shock loading. TCP is the benchmark antiwear additive in aviation turbine oils certified to MIL-PRF-23699 and DEF STAN 91-097.
مشخصات فنی
| appearance | Colorless to pale yellow liquid |
| density (20°C) | 1.15–1.17 g/cm³ |
| flash point (COC) | >225 °C |
| phosphorus content | 8.4–8.6 wt% |
| kinematic viscosity (40°C) | 30–40 mm²/s |
| ortho-isomer (TOCP) content | <0.1 wt% |
حوزههای کاربرد
- Aviation turbine oils meeting MIL-PRF-23699 and DEF STAN 91-097
- Industrial extreme-pressure gear oils (ISO VG 220–680)
- Automotive GL-4/GL-5 gear oil additive packages
- High-temperature chain and oven conveyor lubricants
- Compressor and vacuum pump oils requiring antiwear protection
ویژگیهای محصول
- Low ortho-isomer (TOCP <0.1%) formulation meeting aviation and OEM toxicity specifications
- Excellent high-temperature antiwear performance in aviation and industrial gas turbine oils
- Compatible with both mineral and synthetic base oils including PAO, ester, and PAG
- Outstanding oxidation stability at elevated temperatures enabling long-drain performance
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