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High-performance, phosphite-based antioxidant offering superior melt stability during high-temperature polymer processing.
Excellent hydrolytic stability compared to conventional phosphites, ensuring consistent performance in humid or aqueous environments.
Low volatility and minimal odor, supporting safe handling and reduced plate-out in extrusion and injection molding operations.
Compatible with polyolefins, engineering thermoplastics, and polymer blends including PP, HDPE, and ABS.
Non-staining and non-discoloring—preserves polymer clarity and color integrity in sensitive applications.
Polypropylene (PP) fibers and nonwovens for medical and hygiene products.
Automotive interior components requiring long-term thermal aging resistance.
Food-contact packaging films where regulatory compliance and low extractables are critical.
Thin-walled injection-molded parts subjected to high-shear processing conditions.
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 off-white crystalline powder |
| Appearance | Crystalline solid, free of visible impurities |
| Molecular Weight | 738.9 g/mol |
| Melting Point | 195–200 °C (determined by DSC) |
| Assay (by HPLC) | ≥ 99.0% |
| Primary Applications | Stabilizer for polyolefins and engineering plastics |
| Key Features | Melt stabilizer, secondary antioxidant, hydrolysis-resistant phosphite |
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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
