Package: 20 kg or 25kg net weight, fiber drum or carton

Uses : used in PVC, Polyurethane,Polyamide, etc.

Molecular Structure:

Product description:

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　　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(BHT), 1098, 2246, 300, 311, B102, DLTP, DSTP, B215, B225, B900

　　Light stabilizer: 622, 770, 944, 802, 783

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

　　Chemical name : 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole

　　Introduction : UV-327 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-327 is recommended in a variety of polymers and organic substrates, including acrylic polymers, polycarbonate, polyesters, styrene homo- and copolymers, unsaturated polyesters, polyvinyl chloride, polyolefins, polyvinyl butyral, elastomers, and adhesives.

　　Empirical Formula : C17H18N30Cl

　　CAS NO : 3864-99-1

　　Physical PropertiesMolecular Weight : 357.9Appearance : slight yellow powderMelting Range : 154-157°CFlashpoint : 234°CSpecific Gravity(20°C) : 0.37g/cm3

　　Volatility Pure substance; TGA, heating rate 20°C /min in air

　　Weight Loss (%)Temperature°C

　　1.0190

　　2.0205

　　5.0225

　　Solubility At 20°C (g/100ml solvent)

　　SolventSolubility

　　Acetone1%

　　Benzene16%

　　Chloroform19%

　　Cyclohexane5.0%

　　Ethyl Acetate5.0%

　　n-Hexane4.0%

　　Methanol<0.1%

　　Methylene Chloride17%

　　Water<0.01%

　　UV Absorption

　　Absorption Spectrum (10mg/l, Chloroform)

　　Applications1. Unsaturated Polyester : 0.2-0.5wt% based on polymer weight2.PVC:Rigid PVC : 0.2-0.5wt% based on polymer weightPlasticized PVC : 0.1-0.3wt% based on polymer weight3.Polyurethane : 0.2-1.0wt% based on polymer weight4.Polyamide : 0.2-0.5wt% based on polymer weight

　　Toxicity & SafetyThis material is not intended for use in products for which prolonged contact with mucous membranes or abraded skin, or implantation within the human body is specially intended, unless the finished product has been tested in accordance with the Food and Drug Administration and/or other applicable safety testing requirements. Because of wide range of such potential uses, Shinyang,Co,Inc. is not able to recommend this material as safe and effective for such uses and assumes no liability for any such uses.

　　StorageThis product may be stored for one year in a sealed container. Containers should be stored in a cool, dry area. Extended storage at elevated temperatures or exposure to direct heat or sunlight could reduce product life. Keep containers sealed when not in use.

　　HandlingIn accordance with good industrial practice, handle with care and avoid unnecessary personal contact. Avoid continuous or repetitive breathing of dust. Use only with adequate ventilation. Prevent contamination of the environment. Avoid dust formation and ignition sources.

　　PackingUV-327 is available in powder form in a 20 kg (44.1 LB) or 25kg net weight, fiber drum or carton, with an inner PE liner.