Omnistab LS B 791

Omnistab LS B 791 is a synergistic mixture of Omnistab LS 944 and Omnistab LS 770. It is an excellent light stabilizer especially for PP thick sections, which offers excellent surface protection. It also shows high stabilization efficiency in PP tapes. Its areas of application are PP, blends of polypropylene with elastomers and PA. It can also be used in styrenic polymers such as ABS, impact polystyrene, etc. Omnistab LS B 791 is suitable for thick sections such as automotive bumpers, fascia, garden furniture etc. Recommended dosage level is 0.1-0.8%.

Product composition

  • CAS number(s): 71878-19-8 & 52829-07-9
  • Chemical name(s): Poly[[6-[(1,1,3,3-tetramethylbutyl)amino]-s-triazine-2,4-diyl]-[(2,2,6,6-tetrame thyl-4-piperidyl)imino]-hexamethylene-[(2,2,6,6-tetramethyl-4-piperidyl)imino]] Bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate
  • Molecular formula: Blend
  • Molecular weight (g/mol): Blend
  • EU (EG-No (EINECS/ELINCS)): Blend


  • Ash (%): 0.10 max
  • Volatiles (%): 1.00 max
  • Transmittance 425 nm (%): 90.00 min
  • Transmittance 500 nm (%): 94.00 min
  • Product form(s): Granular, Powder
  • Packaging option(s): Carton


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



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.




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



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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