This is a phenolic primary antioxidant for processing and long-term thermal stabilization. It has good heat-resisting and water-extracting performance. It can be applied in polyolefins, such as polyethylene, polypro-pylene, polybutene-1 as well as in other polymers, such as engineering plastics, styrene homo- and copolymers, polyurethanes, elastomers, adhesives, and other organic substrates.
| Appearance | White powder | |
| Melting point | 50-55 ℃ | |
| Purity | ≥98% | |
| Ash | ≤0.1% | |
| Loss of Drying | ≤0.5% | |
| Transmittance(425nm) | ≧96% | |
| Transmittance(500nm) | ≧98% |