UV Absorber UV-328

UV Absorber 328 is a strong absorber of ultraviolet radiation in the 290-400nm region. It has good chemical stability, light color, little volatility, good compatibility with polyolefin and other resins, good storage stability.




  • Product Origin:

    China
  • Type:

    UV-328(Benzotriazole UV Absorber)
  • Appearance:

    Slightly Yellowish Powder
  • Package:

    25 Kgs Carton
  • Product Detail

same as CLIBA'S product: TINUVIN 328, Everlight's product:Eversorb 74


CAS#:

25973-55-1


Specifications:

Appearance
  Slightly yellowish powder    
purity
99%
Volatiles
≤0.5%
Ash
≤0.1%

Light 

transmittance


≥97% (460nm)

≥97% (500nm)

Molecular weight
351.49
Melting point
80-83ºC


Application:

UV-328 absorber offering high solubility and desirable balance of properties: used forstabilizing coatings, auto motive coatings, styrenics, polyolefins acrylic, other substrates requiringUV-328 protection, suitable for food contact applications

Packing:

25kg carton, lined with plastic bag or according to customer's specified requirements

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UV Absorber 234 is a strong ultraviolet absorber. It has a low volatility at high temperatures and good compatibility with polymers. UV 234 is highly effective for polymers usually processed at high temperatures, such as films and fiber.
UV Absorber 326
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UV Absorber 326 is a strong absorber of ultraviolet radiation in the 300-400nm region. It has a low volatility at high temperatures and high resistance to thermal degradation and can therefore be used without significant loss or decomposition in the polyolefin compounding and molding processes.
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UV Absorber 327 is a benzotriazole type ultraviolet light absorber(UVA), imparting good lightstability for plastics and other organic polymers.  
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UV Absorber 329 is a strong absorber of ultraviolet radiation in the 300-400nm region. It has a low volatility, and especially has good perforin transparent products and high temperature processing engineering plastics.

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