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Classification: Chemical Auxiliary Agent
Brand Name: HONOX
Usage: Plastic Auxiliary Agents,Rubber Auxiliary Agents
Type: UV ABSORBER
CAS No.: 4221-80-1
Classification: ADDITIVE
Model Number: UV 120
Place of Origin: China (Mainland)
Purity: 99% min.
Other Names: TINUVIN 120, UV ABSORBER 120

Specifications

Chemical name: 2,4-di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate
CAS No.: 4221-80-1                               
Molecular formular:  C29H42O3
Molecular weight: 438.6  

Appearance: White powder
Melting point, ℃: ≥ 193
Purity (GC), %: ≥ 99
Loss on Drying, %: ≤0.3
Light transmittance,%, 450nm: ≥ 98

UV ABSORBER HOSORB UV 120 is substituted benzoate that absorbs ultraviolet radiation and through a reversible chemical rearrangement, dissipates the energy as heat. It is no color contamination, low volatility, high thermal stability, excellent resistance to washing and extraction. It exhibits a synergistic effect in combination with HALS.

as light stabilizer and antioxidant, it can be used in the polymer. It is suitable for polyethylene, polypropylene, polystyrene, PU, TPU and other products, especially suitable for polypropylene films, coatings, adhesives and fiber. 
UV ABSORBER UV 120 CAS NO4221801