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High-performance secondary antioxidant based on dilauryl thiodipropionate (DSTP) chemistry.
Excellent thermal stability for extended processing life in high-temperature polymer applications.
Low volatility and minimal migration, ensuring long-term antioxidant efficacy in finished products.
Compatible with primary antioxidants such as hindered phenols for synergistic stabilization.
Non-staining and non-discoloring—ideal for clear or light-colored polymer systems.
Polyethylene (PE) films and blow-molded containers.
Polypropylene (PP) automotive interior components.
Hot-fill PET bottle preforms and packaging resins.
Engineering thermoplastics including ABS and PC/ABS blends.
Adhesives, sealants, and hot-melt formulations requiring oxidative stability.
| Chemical Type | Dilauryl thiodipropionate (DSTP) |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Uniform granular solid |
| Melting Point | 40–43 °C |
| Acid Value (mg KOH/g) | ≤ 0.5 |
| Volatile Matter (% w/w) | ≤ 0.3 |
| Heavy Metals (as Pb) | < 5 ppm |
| Primary Applications | Polyolefins, engineering plastics, adhesives |
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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
