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High-performance phosphite antioxidant offering exceptional melt stability during high-temperature polymer processing.
Excellent hydrolytic stability compared to conventional phosphites, ensuring consistent performance in humid or aqueous environments.
Synergistic with hindered phenol antioxidants for enhanced long-term thermal and oxidative stability.
Low volatility and minimal odor, supporting compliance with stringent food-contact and indoor air quality requirements.
Compatible with polyolefins, engineering plastics, and thermoplastic elastomers without adverse effects on mechanical properties.
Polypropylene (PP) fibers and nonwovens for hygiene and medical applications.
Polyethylene (PE) blow-molded containers and HDPE pipes exposed to elevated processing temperatures.
Automotive interior components requiring low VOC emissions and long-term color retention.
Food packaging films where regulatory compliance and organoleptic neutrality are critical.
Recycled polyolefin compounds needing robust stabilization against thermo-oxidative degradation.
| Chemical Type | Tris(2,4-di-tert-butylphenyl) phosphite |
| Product Form | Free-flowing white to light yellow crystalline powder |
| Appearance | White to pale yellow granules or fine powder |
| Melting Point | 195–205 °C (determined by DSC) |
| Assay (Purity) | ≥ 99.0% (by GC) |
| Heavy Metals (as Pb) | < 5 ppm |
| Loss on Drying | < 0.3% at 105 °C for 2 hours |
| Primary Applications | Polyolefins, engineering thermoplastics, recycled polymers |
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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
