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　　Ultraviolet Absorbent UV-326

　　Chemical Name: 2-( 2' -hydroxy-3' -tert-butyl-5' -methylphenyl) -5-chlorobenzotriazole

　　CAS NO. 3896-11-5

　　Main Indexes

　　Appearance: Light Yellow Crystalline PowderContent : > = ? 99% Melting Point: 137--141°CLoss on Drying : = 98%

　　Characteristics and Uses

　　raviolet radiation with the wavelength of 270-380 nanometers, mainly applied to polyvinyl chlornamee, 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

　　This product is nontoxic, inflammable, incrossible and stable in storing. It is packed in cardborad drum lined with plastic bags with the capacity of 20 kg per drum and can also be packed according to customers' requirements .

　　Bohanchem offers plastic additives ( chemical additives) such as optical brightener ( optical brightening agent, fluorescent whitening agent) , UV absorber ( UV absorbent) , light stabilizer ( light stabilizing agent, UV stabilizer, UV stabilizing agent) , antioxidant, pigment.

　　Polymerization retarder: 701 ( 4-hydroxy-TMHPO, TEMPO)

　　Fluorescent whitening agent: OB, OB-1, KCB, FP-127, KS, NFW

　　UV absorbers: UV-0, 531( BP-12) , UV-9, UV-P, 326, 327, 328, 329( 5411) , UV-T, 234, 571, 320

　　Antioxidant : 1010, 1076, 168, 264, 1098, 2246, 300, 311, B102, DLTP, DSTP, B215, B225, B900

　　Light stabilizer: 622, 770, 944, 802

　　Pigments: red 122, red 254, violet 19, violet 23, yellow 110, yellow 138, titanium dioxide