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RIASORB® UV-328

Benzotriazole ultraviolet absorbent

CAS No. 25973-55-1

  • Features

    often used with hindered amine light stabilizers to improve the resistance of paint loss of light, pulverization, bubbles, delamination, color performance, more recommendation application in room temperature and low temperature curing coatings system.

  • Information

    • CAS No.
      25973-55-1
    • Chemical Name
      2-(2'-Hydroxy-3',5'-di-t-amylphenyl)benzotriazole

  • Properties

    • Molecular Weight
      351
    • Melting Range（℃）
      80-88
    • Product form
      White - light yellow powder
    • Density@20℃
      1.17g/cm3

  • Solubility @20 ℃ ( g/100g solvent )

    • Acetone
      12
    • Xylene
      34
    • Methyl n-pentanone
      35
    • 100 # solvent oil
      ＞50
    • Ethanol
      2
    • Propanediol methyl ether acetate
      13
    • Butyl acetate
      15
    • Diethylene glycol butyl ether
      9
    • n-hexane
      27
    • Water
      ＜0.01

  • Substrate

    • Coating
    • PU
    • Adhesive
    • POM
    • PVB
    • Polyolefin
    • Elastomer
    • PVC

  • Industry

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