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Highly effective phosphite-based secondary antioxidant for synergistic stabilization with primary phenolic antioxidants.
Excellent melt stability and processing performance in high-temperature polymer extrusion and injection molding.
Low volatility and superior hydrolytic stability, ensuring long-term protection during storage and service life.
Non-staining and compatible with a broad range of polyolefins, engineering plastics, and elastomers.
Meets stringent regulatory requirements for food-contact and medical-grade polymer applications (FDA compliant per 21 CFR §178.2010).
Polypropylene (PP) homopolymers and copolymers for automotive interior parts.
Polyethylene (PE) films and blow-molded containers requiring extended shelf-life stability.
Thermoplastic elastomers (TPEs) used in consumer goods and sealing components.
Engineering plastics including polybutylene terephthalate (PBT) and polyamide (PA) compounds.
Recycled polyolefin formulations where thermal reprocessing resistance is critical.
| Chemical Type | Tris(2,4-di-tert-butylphenyl) phosphite |
| Product Form | White crystalline powder |
| Appearance | Free-flowing white to off-white granular solid |
| Melting Point | 195–205 °C |
| Assay (by HPLC) | ≥ 99.0% |
| Volatility (160 °C, 3 h) | ≤ 1.0% w/w |
| Heavy Metals (as Pb) | ≤ 5 ppm |
| Primary Applications | Polyolefins, engineering thermoplastics, TPEs, 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
