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Highly effective phosphite-based secondary antioxidant with excellent hydrolytic stability.
Superior melt stabilization for polyolefins during high-temperature processing.
Low volatility and minimal plate-out, ensuring clean operation in extrusion and injection molding.
Synergistic performance when combined with primary phenolic antioxidants (e.g., Irganox 1010).
Complies with major global food-contact regulations including EU Regulation (EC) No. 10/2011 and FDA 21 CFR §178.2010.
Polypropylene (PP) homopolymers and copolymers for automotive interior parts.
Polyethylene (PE) films and blow-molded containers requiring long-term thermal aging resistance.
PP fibers and nonwovens used in geotextiles and hygiene products.
Food-grade plastic packaging where regulatory compliance and low extractables are critical.
Engineering plastics blends containing PP or PE matrices subjected to repeated thermal cycling.
| Chemical Type | Tris(2,4-di-tert-butylphenyl) phosphite |
| Product Form | White crystalline powder |
| Appearance | Free-flowing white to off-white granular powder |
| Melting Point | 190–195 °C |
| Assay (by HPLC) | ≥99.0% |
| Volatile Matter (105 °C, 2 h) | ≤0.3% |
| Heavy Metals (as Pb) | ≤5 ppm |
| Primary Applications | Polyolefin stabilization (PP, HDPE, LDPE), especially in demanding processing conditions |
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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
