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Chemical Name Ultraviolet Absorber UV-320
Molecular Weight 323
Chemical Formula C20H25N3O
Main Indexes
Appearance: white powder
Melting Point: 152-156.C
Purity: 99% ( HPLC) min
Light Transmittance: 440( nm) 97% min
500( nm) 98% min
LD50: 2000mg/ kg min
Characteristics and Uses
UV320 is a high-efficient light stabilizer , widely apply to in the plastics and other organic matter, including unsaturated polyester, PVC, PVC plasticizing glue, etc. It has better effect when applied to in the polyurethane, polyamnamee, synthetic fibers especially those polyester and epoxy resins. UV320 has strong ultraviolet absorbtion ability and low volatility characteristics. It can effectually protect the polyester and the organic colouring avoname ultraviolet radiation, thus protect the primitive physics appearances of the shaping object, films, etc. which under the open-air state.The color of the UV320' s is lighter than general ultraviolet absorbers.
Storing and Packing
25kg cardboard drum
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.