Chemical description | High molecular weight phenolic antioxidant containing a thioether group | |
Appearance | Crystalline, white to slightly yellow powder | |
Applications and
typical treat levels | - Synthetic and partial synthetic lubricants
| |
| | PAO | 0.2-0.3% |
| | PAG | 0.1-0.5% |
| | | 0.5-0.8% |
| Benefits | - Ashless solid with low volatility
| |
| | - Permits reduced losses under high temperature operating conditions
| |
| | - Offers superior thermal stability over conventional phenolic antioxidants such as BHT and
- methylene-bis-phenols
| |
| | - Offers excellent activity in CIGRE test
| |
| | - Provides multifunctional activity as primary and secondary antioxidant
| |
| | - Approved by FDA/USA for use in blending food grade lubricants
| |
| Note | Solubility in mineral oil is less than 0.5% and should be checked in finished fluid | |
