High-efficiency secondary antioxidant based on dilauryl thiodipropionate (DSTDP) for synergistic stabilization with primary phenolic antioxidants.
Excellent hydrolytic stability and low volatility, ensuring long-term performance in high-temperature processing conditions.
Superior compatibility with polyolefins including polyethylene (PE) and polypropylene (PP), minimizing bloom and migration issues.
Non-staining and non-discoloring—ideal for applications requiring color fidelity and clarity.
Low odor profile and compliant with major food-contact regulations (e.g., FDA 21 CFR §178.2010, EU Directive 10/2011).
Polyolefin films and packaging (e.g., shrink film, heavy-duty sacks, food-grade laminates).
Injection-molded and blow-molded polypropylene automotive components (bumpers, interior trims, battery cases).
Rotomolded polyethylene tanks and containers for chemical storage and water treatment.
Wire & cable insulation and jacketing compounds requiring thermal and oxidative stability.
Medical-grade polyolefin tubing and disposable devices where low extractables and regulatory compliance are critical.
| Chemical Type | Dilauryl thiodipropionate (DSTDP) |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Uniform granules, free from visible dust or discoloration |
| Melting Range | 40–45 °C |
| Assay (DSTDP Content) | ≥ 99.0 % |
| Acid Value | ≤ 0.1 mg KOH/g |
| Primary Applications | Polyolefins (PP, HDPE, LDPE), elastomers, adhesives |
| Key Features | Secondary antioxidant, sulfur-based, synergist for hindered phenols |
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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