Shanghai Sunwise Chemical Co., Ltd.  

Product Name: CAS No. 3896-11-5 Ultra Violet Absorber; UV 326 Model NO.: other chemical Appearance: Light Yellow Powder or Granular Purity: 99.0% Min Melting Poin: 138.0 Temprature Volatiles: 0.50% Max Residue on Ignition: 0.05% Max Transmittance 460nm: 97.0% Min Trademark: SWE Transport Package: in 15kgs Net Kraft Paper Bag Origin: China Product Description uv-326 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-326 is especially suited for polyolefins and cold cured polyesters. It protects polymers from UV radiation helping to preserve the original appearance and physical integrity, especially for polyolefins and polyester resins.Product Name UV 326IdentificationSynonyms 2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzortriazoleMolecular Formula C17H18N3OClMolecular Weight 315.8CAS Number 3896-11-5EINECS/ELINCS 223-445-4PropertiesAppearance light yellow powder or granularMelting Range 138-141 °CFlash Point 229 °CSpecific Gravity 0.37g/cm3 at 20 ºCStability stable under ordinary conditionsItemSpecificationAppearancelight yellow powder or granularPurity 99.0% minMelting point138.0ºC minVolatiles0.50% maxResidue on ignition0.05% maxTransmittance 460nm97.0% minTransmittance 500nm98.0% minRecommended application and dosage:1. 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 weightPacking and StoragePacking In 15kgs net kraft paper bag, 6mts onto 20 pallet in 20Fcl, or in 20kgs drumStorage Keep tightly closed and store in cool and dry place Safety InformationNon-hazardous for air, sea and road freight.