Lightstab UV Absorber RIASORB® UV-405
CAS No.: [137658-79-8]
2-[4,6-Bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl]-5-[3-[(2-ethylhexyl)oxy]-2-hydroxypropoxy]phenol
Product Features: Solid triazine-type UV absorber.
Molecular Weight: 583
Melting Point (°C): 73-77
Form: Light yellow powder
Packaging: 20kg PE bag
Suitable for: Automotive coatings, industrial coatings.
Dosage: 1.0-3.0%, specific dosage determined by customer application testing.
Properties: Contains hydroxyl groups, reducing migration within the coating; excellent compatibility with coatings; excellent thermal stability and light stability; minimal interaction with residual metals in the coating; typically used in combination with hindered amine light stabilizers to enhance the coating's resistance to gloss loss, chalking, bubbling, delamination, and discoloration.
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