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Ultraviolet Absorbent Light Stabilizer UV-326
Chemical Name:2-(2'-hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole
Molecular Formula: C17H18N3OCl
CAS NO. 3896-11-5
Structural Formula: 
Specification:
|
Appearance |
Light Yellow Crystalline Powder |
|
Content |
99% min |
|
Melting Point |
137－141Degree Celsius |
|
Loss on Drying |
0.5% max |
|
Light Transmittance |
460nm 97% min
500nm 98% min |
Characteristics and Uses:
UV-326 is a light stabilizer, capable of absorbing the ultraviolet radiation of 270-380 nanometers, mainly applied to polyvinylchloride, polystyrene, unsaturated resin, polycarbonate, poly (methyl methacrylate), polyethylene, ABS resin, expoxy resin and cellulose resin. This product almost does not absorbing visible light, particular applicable able to colorless transparent products and colored products. Dosage:0.1-0.5% for thin products and 0.05-0.2% for thick products. It can be applied to plastic products for packing foods.
Storing and Packing：
Ultraviolet Absorbent Light Stabilizer UV-326 is nontoxic, noninflammable, noncorroding and stable in storing. It is packed in cardborad drum lined with plastic bags with the net weight of 20 kg per drum and can also be packed according to customers' requirements .
Plastic
Ultraviolet Absorbent Light Stabilizer UV-326
