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light stabilizers

light stabilizers

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UV-328

Chemical Name: 2-(2'-Hydroxy-3',5'-di-t-amylphenyl)benzotriazole

Molecular Formula:C22H29N3O

Molecular Weight: 351

CAS No.:25973-55-1


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Product Details

Properties

Benzotriazole ultraviolet absorbent

often used with hindered amine light stabilizers to improve the resistance of paint loss of light, pulverization, bubbles, delamination, color performance, more recommendation application in room temperature and low temperature curing coatings system.

Application

It is a versatile, efficient, and heat-resistant ultraviolet light absorber. It serves as a key additive for protecting organic materials such as plastics, coatings, and adhesives from solar aging, thereby extending their outdoor service life.

Storage

Keep container tightly closed in a cool, well-ventilated place.

The recommended max. storage life is 12 month when stored under normal conditions.


Product Specifications

Melting Range(℃): 80-88
Product form: White - light yellow powder
Density 20℃: 1.17
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