High-performance phosphite-based antioxidant offering exceptional melt stabilization during high-temperature polymer processing.
Excellent hydrolytic stability, ensuring consistent performance in moisture-sensitive applications and extended shelf life.
Synergistic with phenolic antioxidants—enhances overall oxidative resistance without compromising color or clarity.
Low volatility and minimal plate-out, supporting clean operation in extrusion and injection molding equipment.
REACH-compliant and listed on major regulatory inventories including TSCA and AICS.
Polyolefins (PP, HDPE, LDPE) for automotive interior parts and under-hood components.
Thin-walled packaging films requiring long-term thermal and UV stability.
Fiber and nonwoven applications exposed to high draw temperatures and prolonged heat history.
Engineering plastics blends (e.g., PP/EPDM, PP/PA) where processing stability and end-use durability are critical.
Recycled polyolefin formulations 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 |
| Primary Applications | Melt stabilization of polyolefins and engineering thermoplastics |
| Key Features | Phosphite antioxidant, low volatility, hydrolysis-resistant |
| Benefits | Reduces gel formation, prevents discoloration, improves mechanical retention |
| Storage Conditions | Store in cool, dry place below 30°C; protect from moisture and direct sunlight |
| Regulatory Status | Complies with EU Regulation (EC) No 10/2011 for food-contact plastics (subject to migration limits) |
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E-mail: wangxingqiang@ericwchem.com
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