BASF Tinuvin 900 is an advanced powder-form benzotriazole UV absorber designed for extreme environmental protection. This high-efficiency stabilizer delivers comprehensive UV shielding while maintaining optical clarity, making it ideal for automotive and industrial coatings requiring long-term durability under harsh outdoor conditions.
Complete UV Defense - Broad-spectrum 300-400nm protection with minimal light interference
Thermal Resilience - Maintains stability above 220°C processing temperatures
Universal Solubility - Excellent compatibility with various resin systems
Performance Amplifier - 80% enhanced weatherability with HALS stabilizers
Sustainable Solution - Low-volatility, heavy metal-free formulation
Automotive Finishes - Superior gloss retention for exterior coatings
Metal Protection - Weather-resistant solutions for industrial substrates
Outdoor Wood - Color stability for architectural wood coatings
Food Packaging - Safe UV protection for compliant printing inks
Solar Technology - Durability enhancement for photovoltaic components
Chemical Name | 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol |
CAS Number | 70321-86-7 |
Molecular Weight | 447.6 g/mol |
Appearance | Pale Yellow Powder |
Melting Point | 137-141°C |
Density (20°C) | 1.18 g/cm³ |
UV Absorption Peaks | 304 nm / 346 nm |
Molar Extinction Coefficient (346 nm) | 15,500 L/mol·cm |
Solubility (20°C) | Xylene:10 g/100g / Butyl Acetate:4.5 g/100g / MEK:5.5 g/100g |
Volatiles (150°C/3h) | ≤0.5% |
Vapor Pressure (20°C) | <10⁻⁶ Pa |
Ash Content | ≤0.1% |
Moisture Content | ≤0.1% |
Recommended Dosage | 1.0-3.0% (on binder weight) |
Packaging | 20 kg/bag (moisture-proof foil) |
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