Omnistab UV 328

Omnistab UV 328 is a phenol, 2-(2H-benzotriazol-2-yl)-4, 6-bis (1, 1-dimethylpropyl) grade. Acts as a UV absorber, Belongs to hydroxyphenyl benzotriazole class, which imparts outstanding light stability to plastics and other organic substrates. Features strong UV absorption, low initial color, excellent compatibility in a wide variety of substrates, good solubility in plasticizers and monomers, and moderately low volatility. It 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. Recommended for the stabilization of styrene homo- and copolymers, acrylic polymers, unsaturated polyesters, polyvinyl chloride, polyolefins, polyurethanes, polyacetals, polyvinyl butyral and elastomers. Use levels of Omnistab UV 328 ranges between 0.1-1.0%, depending on substrate and performance requirements of the final application.

Product composition

  • CAS number(s): 25973-55-1
  • Chemical name(s): 2-(2H-Benzotriazol-2-yl)-4,6 ditertpentylphenol
  • Molecular formula: C22H29N3O
  • Molecular weight (g/mol): 351.49
  • EU (EG-No (EINECS/ELINCS)): 247-384-8

Specifications

  • Content (%): 99.00 min
  • Melting point/range (ºC): 79 - 87
  • Volatiles (%): 0.30 max
  • Ash (%): 0.10 max
  • Transmittance 460 nm (%): 96.00 min
  • Transmittance 500 nm (%): 97.00 min
  • Product form(s): Powder, Granular
  • Packaging option(s): Carton

UTRECHT

In 2007 we decided to start ICG Specialty Chemicals selling specialty chemicals and additives under the tradename Omnistab.

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DUBAI

Partners in Chemicals expanded its business in Middle East by setting up a branch office in Dubai in 2014.

Our Dubai office gives direct access to the Middle East and Africa. Having warehousing facility in the Dubai Free Zone makes it much easier to import, stock and re-export material to different destinations around the globe.

 

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CHICAGO

To serve the American market we have set up our Chicago branch office in 2009.

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QINGDAO

Deltachem (Qingdao) Co. Ltd. has been established in 2012 but general manager Mr. Mike Zou is already since 2007 a business partner for the Omnistab range.

Deltachem is the partner of Choice for Partners in Chemicals.

Besides being responsible for sourcing new products, supplychain and quality controle Deltachem is also managing the production facilities and handles the technical support.

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