Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

BASF Tinuvin 234 Benzotriazole UV Absorber

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.

Features Of BASF Tinuvin 234 Benzotriazole UV Absorber

  1. Permanent UV Protection - High molecular weight ensures minimal migration in polymer matrices

  2. Thermal Resilience - Maintains stability at processing temperatures exceeding 290°C

  3. Optical Clarity - Preserves >95% light transmission in polyolefins

  4. Radical Scavenging - Tetramethylpiperidine structure enhances anti-aging efficiency

  5. Regulatory Compliance - Meets stringent food contact and environmental standards

Typical Applications Of BASF Tinuvin 234 Benzotriazole UV Absorber

  1. Agricultural Innovations - Extended durability for greenhouse and mulch films

  2. Automotive Components - Weather resistance for exterior plastic parts

  3. Food Packaging - Safe UV stabilization for containers and wrappings

  4. Industrial Coatings - Corrosion protection for metal substrates

  5. Consumer Goods - UV protection for outdoor plastic products

Specifications Of BASF Tinuvin 234 Benzotriazole UV Absorber

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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