Chemical description | High molecular weight phenolic antioxidant | |
Appearance | Crystalline, white to slightly yellow powder | |
Applications and
typical treat levels | - Greases for high temperature application
| 0.2-0.5% |
| | | 0.5-1.0% |
| | PAG | 0.5-1.0% |
| | Ester | |
| Benefits | - Ashless solid with extremely low volatility
| |
| | - Permits reduced antioxidant losses under high
temperature operating conditions
| |
| | - Offers superior thermal stability over conventional phenolic antioxidants such as BHT and methylene-bis-phenols
| |
| | - Approved by FDA/USA for use in blending food grade lubricants
| |
| Note | Solubility in mineral oil is below 0.3% and should be checked in
finished fluid | |
