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Highly effective secondary antioxidant with synergistic performance when combined with primary phenolic antioxidants.
Excellent thermal stability suitable for high-temperature polymer processing up to 230 °C.
Low volatility and minimal migration, ensuring long-term stabilization in demanding applications.
Compatible with polyolefins, engineering plastics, and elastomers including PP, PE, ABS, and TPE.
Non-staining and low-coloring—preserves product aesthetics and meets stringent appearance requirements.
Polypropylene (PP) fibers and injection-molded automotive components.
High-density polyethylene (HDPE) pipes and geomembranes for infrastructure projects.
Thermoplastic elastomers (TPE) used in consumer goods and medical device housings.
Recycled polyolefin compounds requiring robust oxidative stability during reprocessing.
Blends of polyolefins and bio-based polymers where thermal and processing stability are critical.
| Chemical Type | Phosphite antioxidant (tris(2,4-di-tert-butylphenyl) phosphite) |
| Product Form | Free-flowing white crystalline powder |
| Appearance | White to off-white crystalline solid |
| Melting Point | 195–200 °C (determined by DSC) |
| Assay (by HPLC) | ≥99.0% |
| Heavy Metals (as Pb) | <10 ppm |
| Moisture Content | <0.1% (by Karl Fischer titration) |
| Primary Applications | Polyolefins, engineering thermoplastics, elastomers, recycled polymer systems |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
