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2-(2H-benzotriazol-2-yl)-4,6-di-tert-butylphenol(UV-320)

Product name:2-(2H-benzotriazol-2-yl)-4,6-di-tert-butylphenol(UV-320)
Details:

 

Product name: 2-(2H-benzotriazol-2-yl)-4,6-di-tert-butylphenol

  Synonym name: 2-[2'-hydroxy-3',5'-di-t-butyl-phenyl]-benzotriazole,

TINUVIN 320; UV-320

  CAS Number: 3846-71-7

  Molecular Formula: C20H25N3O

  Molecular Weight: 323.43                                                              

 

●Specification:

Item

Standard

Appearance

Slightly yellow powder

Assay       

99.0%min

Melting point

152-154d.C

Loss on drying  

0.5%max

Ash

0.1%max

Transmittance

440nm:97%min

500nm:98%min

 

●Application:

 

UV-320 is a highly effective light stablizer for a variety of plastics and other organic substrates including unsaturated polyesters , PVC and PVC plastisol.  Good results are also expected when UV-320 is used in polycarbonates. polyurethanes. polyamides. Synthetic  fibers. particularly  those with a polyester, epoxy resin base. UV-320 features strong UV absorption excellent compatibility in a variety of substrates and low volatility and protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of molded articles, films, sheets and fibers during outdoor weathering.

 

●Package: In 25kgs cardboard drums.

 

 

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