Ultraviolet Absorbent  
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»  Ultraviolet Absorbent
Ultraviolet Absorbent UV-320
Chemical Name Ultraviolet Absorber UV-320
Molecular Weight 323
Main Indexes Appearance:white powder
Melting Point:152-156℃
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
 
                     
 

 
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