BASF Tinuvin 99-2 is an advanced liquid benzotriazole UV absorber designed for high-performance waterborne coating systems. This innovative formulation combines broad-spectrum UV protection with excellent environmental compatibility, delivering long-lasting substrate protection while maintaining optical clarity in demanding outdoor applications.
Broad-Spectrum Defense - Superior UV-A/B blocking with minimal visible light impact
Environmental Safety - Complies with strict food contact and eco-regulations
System Harmony - Excellent stability in waterborne resins without precipitation
Performance Multiplier - 50% durability boost when paired with HALS stabilizers
Processing Ease - Nano-sized particles enable direct dispersion
Wood Protection - Superior color retention for outdoor wood finishes
Automotive Refinish - Enhanced weatherability for waterborne coatings
Industrial Durability - Long-term corrosion protection for metal substrates
Safe Packaging - Compliant UV protection for food-contact inks
Architectural Innovation - Performance enhancement for energy-efficient glazing
Chemical Name | 3-(2H-Benzotriazol-2-yl)-5-tert-butyl-4-hydroxyphenylpropionic acid C7-9 alkyl esters |
CAS Number | 127519-17-9 |
Appearance | Dark brown to amber liquid |
Molecular Weight | 451.6 g/mol |
Dynamic Viscosity (20°C) | 2000 mPa·s |
Density (20°C) | 1.07 g/cm³ |
Flash Point | 238°C |
Volatiles (150°C/3h) | ≤0.5% |
Solubility (20°C) | Butanol>50 g/100g / Water<0.01 g/100g |
Recommended Dosage | 1.0-3.0% (on binder weight) |
Packaging | 20 kg/drum (moisture-proof) |
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