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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 odor, supporting clean processing and improved workplace safety.
Synergistic performance when combined with primary phenolic antioxidants (e.g., Irganox 1010).
Non-staining and compatible with common polymer additives including UV stabilizers and acid scavengers.
Polyethylene (PE) films and blow-molded containers.
Polypropylene (PP) fibers, automotive interior components, and nonwovens.
Rotomolded and injection-molded polyolefin parts.
Masterbatch formulations for colorants and functional additives.
Recycled polyolefin streams requiring thermal and oxidative protection.
| Chemical Type | Tris(2,4-di-tert-butylphenyl) phosphite |
| Product Form | White to off-white crystalline powder |
| Appearance | Free-flowing granular or powdered solid |
| Molecular Weight | 647.9 g/mol |
| Melting Point | 180–185 °C |
| Assay (by HPLC) | ≥ 99.0% |
| Heavy Metals (as Pb) | < 5 ppm |
| Residue on Ignition | < 0.1% |
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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
