UV Absorber UV-329

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.

  • Product Origin:

    China
  • Type:

    UV-329(Benzotriazole UV Absorber)
  • Appearance:

    Off-White Powder
  • Package:

    25 Kgs Carton
  • Product Detail

same as CLIBA'S product:TINUVIN 329, Everlight's product:Eversorb 72


CAS#:

3147-75-9


Specifications:

Appearance
     Off-white powder       

Light 

transmittance      

     ≥97% (440nm)

     ≥98% (500nm)

Melting point
       103-105.3℃
Volatiles
          ≤0.3%
Ash
          ≤0.1%


Application:

UV-329 light stabilizer is mainly used for polyolefin, pet, PVC, PP, PS, PC, PP fiber, ABS resin, epoxy resin, resin and ethylene vinyl acetate, etc., to protect the polymer from ultraviolet radiation. It improves the anti-aging properties for film, sheet,molding products, fiber products to maintain its appearance and mechanics performance. It can be used together with phenolic antioxidant, phosphite ester antioxidant and hindered amine light stabilizer. Especially suitable for colorless transparent and light products.


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

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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 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.

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