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High thermal stability enabling effective protection in high-temperature polymer processing.
Excellent hydrolytic resistance, maintaining performance in humid or aqueous environments.
Low volatility and minimal migration, ensuring long-term antioxidant efficacy in finished products.
Compatible with polyolefins, engineering plastics, and elastomers without adverse interactions.
Non-staining and low-color formation, preserving aesthetic integrity of transparent or light-colored materials.
Polypropylene (PP) and polyethylene (PE) films and fibers for packaging and industrial use.
Automotive interior components including dashboards, door trims, and under-hood parts.
Electrical and electronic housings requiring long-term oxidative stability and UL compliance.
Medical-grade polyolefin devices where extractables and biocompatibility are critical.
Recycled plastic compounds to restore and extend service life during reprocessing.
| Chemical Type | Tris(2,4-di-tert-butylphenyl) phosphite (TPP) |
| Product Form | White to off-white crystalline powder |
| Appearance | Free-flowing granular or fine powder |
| Molecular Weight | 647.9 g/mol |
| Melting Point | 195–205 °C |
| Assay (by GC) | ≥ 98.5% |
| Volatility (150 °C, 2 h) | ≤ 1.0% weight loss |
| Heavy Metals (as Pb) | ≤ 5 ppm |
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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
