$12.92

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Description

UV Absorber 320, Tinuvin 320

Chemical Name:

2-(2′-hydroxy-3′,5′-di-t-butyl-phenyl)benzotriazole

FormulaC20H25N3O 
Molecular Weight323.4
CAS#3846-71-7

 

Physical Properties:
AppearanceYellowish crystalline powder
Melting Point152-156℃
Ash≤0.1%
Loss On Drying≤0.3%
Purity≥99%(HPLC)
Transmittance460 nm≥97%   500 nm≥98%

 

Applications:

UV 320 is an efficient light stabilizer with strong UV absorption and low volatility. It can effectively protect polyester and organic pigments from ultraviolet radiation, thereby protecting the appearance of molded objects, films, fibers, etc.  UV 320 is suitable for polyvinyl chloride, unsaturated polyester and other polymers. Used as tinuvin 320 equivalent.

Recommended dosage: polyester 0.3-0.5%, PVC 0.25-0.5%, unsaturated polyester  0.2-0.5%.

Handing and safety:

>For additional handing and toxicological information, please consult us for Maternal Safety Date Sheet

Package:            

20/25 KG cartons or drums

 

Additional information

Weight25 kg
Dimensions650 × 450 × 150 mm