High-performance phosphite antioxidant offering exceptional melt stability for polyolefins during processing.
Excellent hydrolytic stability, minimizing degradation in humid or high-moisture processing environments.
Low volatility and superior thermal stability, enabling use in high-temperature extrusion and injection molding.
Compatible with a broad range of phenolic antioxidants, allowing synergistic stabilization systems.
Non-staining and low-color contribution, preserving clarity and color integrity in sensitive applications.
Polypropylene (PP) fibers and nonwovens for hygiene and medical products.
Automotive interior and under-hood polyolefin components requiring long-term thermal aging resistance.
Food-contact compliant PP and HDPE packaging films and containers.
Thin-gauge PP and PE tapes, labels, and technical films exposed to elevated processing temperatures.
Recycled polyolefin formulations where enhanced stabilization against thermo-oxidative degradation is critical.
| 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 |
| Primary Applications | Polyolefins (PP, HDPE, LDPE), engineering thermoplastics |
| Key Features | Melt stabilizer, secondary antioxidant, hydrolysis-resistant phosphite |
| Benefits | Reduces gel formation, prevents discoloration, extends polymer service life |
| Regulatory Status | Compliant with FDA 21 CFR §178.2010 (for food-contact use) |
| Storage Conditions | Store in cool, dry place below 30°C; protect from moisture and direct sunlight |
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E-mail: wangxingqiang@ericwchem.com
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