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

BASF Tinuvin 900 Benzotriazole UV Absorbers

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.


Features Of BASF Tinuvin 900 Benzotriazole UV Absorbers

  1. Complete UV Defense - Broad-spectrum 300-400nm protection with minimal light interference

  2. Thermal Resilience - Maintains stability above 220°C processing temperatures

  3. Universal Solubility - Excellent compatibility with various resin systems

  4. Performance Amplifier - 80% enhanced weatherability with HALS stabilizers

  5. Sustainable Solution - Low-volatility, heavy metal-free formulation

Typical Applications Of BASF Tinuvin 900 Benzotriazole UV Absorbers

  1. Automotive Finishes - Superior gloss retention for exterior coatings

  2. Metal Protection - Weather-resistant solutions for industrial substrates

  3. Outdoor Wood - Color stability for architectural wood coatings

  4. Food Packaging - Safe UV protection for compliant printing inks

  5. Solar Technology - Durability enhancement for photovoltaic components

Specifications Of BASF Tinuvin 900 Benzotriazole UV Absorbers

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)


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *