High-efficiency photostabilization via regenerative nitroxyl radical mechanism.
Excellent compatibility with polyolefins, engineering thermoplastics, and elastomers.
Low volatility and superior thermal stability up to 280 °C during processing.
Non-discoloring performance—maintains clarity and color fidelity in demanding outdoor applications.
Resistant to extraction and hydrolysis, ensuring long-term stabilization in humid or wet environments.
Polypropylene (PP) automotive interior trim and exterior components.
HDPE and LDPE geomembranes and agricultural films exposed to intense UV radiation.
PVC-based window profiles and siding requiring extended weatherability.
Thermoplastic elastomers (TPEs) used in outdoor consumer goods and seals.
Polycarbonate (PC) and PC/ABS blends for outdoor electronic enclosures and lighting housings.
| Chemical Type | Tetramethylpiperidine-based hindered amine light stabilizer (HALS) |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Uniform granular solid, no visible dust or agglomerates |
| Primary Applications | Polyolefins, PVC, engineering plastics, thermoplastic elastomers |
| Key Features | Regenerative HALS, low volatility, non-migrating, UV-absorption synergist compatible |
| Benefits | Extended service life, reduced surface chalking, improved gloss retention |
| Recommended Loading Level | 0.1–0.5 wt% depending on polymer and exposure conditions |
| Storage Conditions | Store in original unopened packaging at ≤30 °C, protect from moisture and direct sunlight |
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E-mail: wangxingqiang@ericwchem.com
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