UV Stabilizer UV-770 (Domestic)
Light Stabilizer UV-770
Functional Additives| UV absorber
Basic Specifications
| Product Name | UV Stabilizer UV-770 (Domestic) |
| English Name | Light Stabilizer UV-770 |
| CAS Registry Number | 52829-07-9 |
| Molecular formula | C28H52N2O4 |
| Molecular Weight | 481 |
| Product Categories | Functional Additives |
| Product Line | UV absorber |
| Appearance | White granules or powder |
| Density | 1.05 g/cm³ |
Product Features
- Free Radical Scavenging — Captures and neutralizes UV-induced free radicals to prevent polymer chain degradation
- Regenerative Cycle — Self-repairs after use for lasting protection
- Excellent compatibility — synergizes with most polymers, antioxidants, and UV absorbers
- No color change — ideal for transparent and light-colored products
- Low dosage — 0.05–0.6%
Application Areas
PolyolefinsStyrene-basedEngineering PlasticsPolyurethaneElastomers and AdhesivesPP film and tape
App Data
| Applicable Systems | Recommendation | Behavior Description |
|---|---|---|
| PP / PE | ✅ Recommended | Usage: 0.1–0.5% |
| TPO | ✅ Recommended | Excellent performance in thick sections |
| HIPS / SAN / ABS / ASA | ✅ Recommended | No color change |
| PA (Polyamide) | ✅ Recommended | Usage: 0.1–0.5% |
| PU (Polyurethane) | ✅ Recommended | Good compatibility |
| POM (Polyoxymethylene) | ✅ Recommended | Effective and stable |
| Elastomers / Adhesives | ✅ Recommended | Low frost tendency |
| Usage Notes | ⚠️ Use with Caution | For best results, use in combination with high molecular weight HALS (such as 944, 119) and UV absorbers (such as UV-327). |
Notes
- Please test with a sample first to confirm the optimal dosage and heat resistance conditions.
- The powder color chart may differ from the final product color. Please refer to the actual colored result.
- Evaluate weather resistance for long-term outdoor exposure.
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