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High-performance secondary antioxidant based on dilauryl thiodipropionate (DSTP) chemistry.
Excellent hydrolytic stability and low volatility, ensuring long-term effectiveness in high-temperature processing.
Synergistic with primary antioxidants (e.g., hindered phenols) to enhance overall oxidative stability.
Low color contribution and minimal odor, supporting use in demanding aesthetic-sensitive applications.
Compliant with major global food-contact regulations including FDA 21 CFR §178.2010 and EU Directive 10/2011 (when used within permitted limits).
Polyolefins (PP, HDPE, LDPE) for injection-molded parts, films, and fibers.
Automotive interior components exposed to thermal cycling and UV stress.
Food packaging resins requiring regulatory-compliant stabilization systems.
Medical-grade polypropylene and polyethylene devices processed via extrusion or sterilization.
Cable & wire insulation compounds where long-term thermal aging resistance is critical.
| Chemical Type | Dilauryl thiodipropionate (DSTP) |
| Product Form | Free-flowing white to off-white crystalline powder |
| Appearance | Crystalline solid, free of visible impurities |
| Melting Point | 40–43 °C |
| Assay (by GC) | ≥ 99.0% |
| Acid Value (mg KOH/g) | ≤ 0.5 |
| Loss on Drying (105 °C, 2 h) | ≤ 0.2% |
| Heavy Metals (as Pb) | ≤ 10 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
