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Highly effective secondary antioxidant providing synergistic stabilization with primary phenolic antioxidants.
Excellent hydrolytic stability, maintaining performance under high-temperature and high-humidity processing conditions.
Low volatility and low migration, ensuring long-term protection in demanding polymer applications.
Compatible with polyolefins, engineering thermoplastics, and elastomers without adverse effects on color or clarity.
REACH-compliant and listed on major global regulatory inventories including TSCA and DSL.
Polypropylene (PP) homopolymers and copolymers for automotive interior components.
High-density polyethylene (HDPE) blow-molded containers requiring extended shelf-life stability.
Thermoplastic elastomers (TPEs) used in medical tubing and seals.
Recycled polyolefin compounds where enhanced melt stability is critical during reprocessing.
Wire and cable insulation materials exposed to elevated thermal and oxidative stress.
| Chemical Type | Phosphite antioxidant (tris(2,4-di-tert-butylphenyl) phosphite) |
| Product Form | Free-flowing white to off-white crystalline powder |
| Appearance | Crystalline solid, free of visible impurities |
| Molecular Weight | Approx. 647 g/mol |
| Melting Point | 195–200 °C |
| Primary Applications | Polyolefins, engineering plastics, elastomers, recycled polymers |
| Key Features | Secondary antioxidant, hydrolysis-resistant, low volatility, synergistic with hindered phenols |
| Benefits | Extended polymer service life, improved melt stability, reduced gel formation during extrusion |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
