RF 9228 by Richful is a novel high-molecular-weight phosphite antioxidant. It has low volatility and provides excellent heat resistance and hydrolytic stability. Recommended for high-temperature processing of PC, PA, PET, polyolefins and engineering plastics. Offers superior protection against yellowing. It maintains a stable melt index and color making even after multiple extrusion processes.
- It exhibits good synergistic effects when used in combination with main antioxidants and light stabilizers.
- Recommended dosage level of RF 9228 is 0.1-1wt%.
- It has a shelf life of 24 months.
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RF 9228 properties
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| Properties | Value & unit | Test condition | Test method |
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| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Reduction in Heating Volume | 0.0 Visible After Login | Visible After Login | Visible After Login |
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