UV Absorber 326 UV326 UV 326
【Chemical Name】2-(5-Chloro-2H-benzotriazol-2-yl)-6-(1,1-dimethylethyl)-4-methylphenol
【CAS NO】3896-11-5
【Molecular Formula】C17H18ClN3O
【Molecular Weight】316
【Structure】
Specification
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TGA236℃5% 250℃10% 287℃50%
Application
* TRUELICHT UV326 is a strong absorber of ultraviolet radiation in the 300~400nm region and has a high degree of photostability - photochemical energy absorbed in the ultraviolet region is dissipated as thermal energy.
* Differs from TRUELICHTUV234principally in a greater absorption of longer wavelengths, better compatibility with polyolefins, lower volatility, and suppressed ionization of the phenolic grouping.
* Is less affected by alkalinity, is less likely to discolor with metals, and has less effect on metal driers and metal catalysts due to the higher dissociation constant of TRUELICHTUV 326 (approximately 13 as compared with 11.7 for TRUELICHTUV234- in 80% aqueous dioxane)
* Is recommended for use at levels of 0.2~1.0% in PP, PE, Polybutylene, Polyesters, and Coatings.
* Can be used in combination with phenolic &phosphite antioxidants, and HALS to optimize performance in outdoor use.
* For additional information please consult the Material safety Data Sheet.
Packing:
20KGCarton Box 25Kg Carton Box
Storage
Keep container tightly closed and dry and storage in cool place
Declaration
Only for industrial usage, application in food and Medicine is prohibited.
The information in the application part is only for the reference of professional engineers. However, our Company does not make any form of explicit or implicit warranties or assume any responsibilities in relation to the accuracy, timeliness and completeness the application information on this material. It can not be regarded as a clause of the contract. All tests, applications should be conducted under the guidance of professionals.
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