High photostability and long-term UV protection due to robust benzotriazole molecular structure.
Excellent compatibility with a broad range of polymers including polyolefins, styrenics, and engineering thermoplastics.
Low volatility and minimal migration, ensuring sustained performance in thin-gauge and high-temperature applications.
Non-discoloring—maintains clarity and color fidelity in transparent and pigmented systems.
Effective UV absorption across 290–400 nm, with peak absorbance near 345 nm.
Automotive interior plastics (dashboards, trim, pillar covers).
Exterior profiles and sheets for architectural glazing and façade systems.
Packaging films requiring UV stability and optical clarity (e.g., food-grade laminates).
Outdoor agricultural films (greenhouse covers, mulch films).
Coated textiles and technical fabrics exposed to prolonged sunlight.
| Chemical Type | Hydroxyphenyl-benzotriazole |
| Product Form | Free-flowing crystalline powder |
| Appearance | Off-white to pale yellow crystalline solid |
| Molecular Weight | Approx. 378 g/mol |
| Melting Point | 165–170 °C |
| Solubility (in Toluene) | ~100 g/L at 20 °C |
| pH (1% aqueous suspension) | Neutral (~6.5–7.5) |
| Primary Applications | UV stabilization of thermoplastics, coatings, and films |
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E-mail: wangxingqiang@ericwchem.com
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