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High-performance secondary antioxidant based on tri(nonylphenyl) phosphite (TNPP).
Excellent hydrolytic stability under processing conditions typical for polyolefins and engineering plastics.
Effective peroxide decomposer that synergizes well with primary phenolic antioxidants (e.g., ADK Stab 2112).
Low volatility and minimal plate-out tendency during high-temperature extrusion and molding.
Compatible with a broad range of polymers including PP, HDPE, LDPE, and thermoplastic elastomers.
Polypropylene (PP) automotive interior parts requiring long-term thermal stability.
HDPE blow-molded containers for food and chemical packaging.
LDPE cable insulation and sheathing compounds exposed to elevated service temperatures.
Thermoplastic polyolefin (TPO) blends used in exterior automotive trim.
Recycled polyolefin formulations where enhanced melt stabilization is critical.
| Chemical Type | Tri(nonylphenyl) phosphite (TNPP) |
| Product Form | Pale yellow to light amber liquid |
| Appearance | Clear, homogeneous liquid at room temperature |
| Primary Applications | Polyolefins (PP, PE), TPOs, and polymer blends |
| Key Features | Secondary antioxidant, peroxide decomposer, low volatility |
| Benefits | Improved melt stability, reduced gel formation, extended polymer service life |
| Storage Conditions | Store in original sealed container below 30°C, protect from moisture |
| Shelf Life | 24 months from date of manufacture under recommended storage |
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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
