High-performance phosphite antioxidant offering exceptional hydrolytic stability in demanding processing conditions.
Excellent melt stabilization for polyolefins during extrusion, injection molding, and blow molding.
Synergistic with phenolic antioxidants (e.g., Irganox 1010), enhancing overall oxidative resistance.
Low volatility and minimal plate-out, ensuring clean operation and consistent product quality.
Compliant with major global food-contact regulations including FDA 21 CFR §178.2010 and EU Directive 10/2011.
Polypropylene (PP) fibers and nonwovens for hygiene and medical applications.
Automotive interior components such as dashboards, door trims, and air ducts.
Food-grade packaging films and containers made from homopolymer and copolymer PP.
Rotomolded polyethylene (PE) tanks and industrial containers.
Blown and cast polyolefin films requiring long-term thermal and UV stability.
| Chemical Type | Tris(2,4-di-tert-butylphenyl) phosphite |
| Product Form | White to off-white free-flowing crystalline powder |
| Appearance | Crystalline solid, no visible impurities |
| Melting Point | 195–205 °C (determined by DSC) |
| Assay (by HPLC) | ≥ 99.0% |
| Volatile Matter (105 °C, 2 h) | ≤ 0.3% |
| Heavy Metals (as Pb) | ≤ 10 ppm |
| Primary Applications | Polyolefins (PP, PE), engineering plastics, adhesives, and polymer masterbatches |
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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