BASF Tinuvin 234 is a premium high-molecular-weight benzotriazole UV absorber engineered for extreme durability in demanding polymer applications. This advanced stabilizer combines exceptional thermal stability with ultra-low volatility, delivering long-lasting UV protection while maintaining material clarity and performance integrity across various processing conditions.
Permanent UV Protection - High molecular weight ensures minimal migration in polymer matrices
Thermal Resilience - Maintains stability at processing temperatures exceeding 290°C
Optical Clarity - Preserves >95% light transmission in polyolefins
Radical Scavenging - Tetramethylpiperidine structure enhances anti-aging efficiency
Regulatory Compliance - Meets stringent food contact and environmental standards
Agricultural Innovations - Extended durability for greenhouse and mulch films
Automotive Components - Weather resistance for exterior plastic parts
Food Packaging - Safe UV stabilization for containers and wrappings
Industrial Coatings - Corrosion protection for metal substrates
Consumer Goods - UV protection for outdoor plastic products
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/granules |
Melting Point | 137-141°C |
Flash Point | >150°C |
Density (20°C) | 1.22 g/cm³ |
Vapor Pressure (20°C) | 2E-10 Pa |
Solubility (20°C) | Acetone:2 g/100g / Dichloromethane:34 g/100g / Water:<0.01 g/100g |
UV Absorption Peaks | 302 nm & 343 nm (ε=16,100 L/mol·cm) |
Recommended Dosage | 0.15-0.6% (on polymer weight) |
Packaging | 20 kg/bag (moisture-proof foil) |
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