Partners in Chemicals of Utrecht at K 2019 in Düsseldorf -- K Trade Fair
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Rubber & TPE

Partners in Chemicals

P.O. Box 14055, 3508 SC Utrecht
Maliestraat 3, 3581SH Utrecht
Telephone +31 30 2331324
Fax +31 30 3100133
This company is main exhibitor of

Hall map

K 2019 hall map (Hall 8b): stand F31

Fairground map

K 2019 fairground map: Hall 8b

Our range of products

Product categories

  • 01  Raw materials, auxiliaries
  • 01.10  Additives
  • 01.10.002  Additives, other

Additives, other

  • 01  Raw materials, auxiliaries
  • 01.10  Additives
  • 01.10.016  Antioxidants


  • 01  Raw materials, auxiliaries
  • 01.10  Additives
  • 01.10.071  Light stabilisers (s. UV stabilizers)

Light stabilisers (s. UV stabilizers)

  • 01  Raw materials, auxiliaries
  • 01.10  Additives
  • 01.10.082  Optical brighteners
  • 01  Raw materials, auxiliaries
  • 01.10  Additives
  • 01.10.115  UV stabilizer

UV stabilizer

Our products

Product category: Optical brighteners

Omnistab OB KSN

Benzoxoazol derivative. Acts as an optical brightener. Possesses good compatibility and good fastness to light as well as sublimation. Can be used for high temperature process. Is mainly used in whitening of polyester, polyamide, polyacryonitrile fiber, the plastic film and all plastic pressing process. Suitable for synthesizing high polymer including polymeric process.

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Product category: Optical brighteners

Omnistab OB FB 127

Fluorescent whitening agent. It is highly effective in polymer substrates such as acrylics, thermoplastic polyurethanes, polyvinylchloride, styrene homo- and copolymers, polyolefins, and other organic substrates. Main applications include fibers, molded articles, films and sheets. Additional applications include clear lacquers, pigmented lacquers, paints, printing inks and synthetic leather.

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Product category: Optical brighteners

Omnistab OB CBS 351 (CBS-X)

Disodium-2,2′-([1,1′-biphenyl]-4,4′-diyldivinylene)bis(benzenesulphonate). Acts as an optical brightener. Omnistab OB CBS 351 (CBS-X) functions by absorbing invisible ultraviolet radiation and re-emitting it as visible light in the blue range of the spectrum. Used to mask the yellowish cast sometimes observed in plastics and fibres after high temperature processing operations.

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Product category: Optical brighteners

Omnistab OB 1

4,4’-bis(benzoxazol-2-yl)stilbene. Used as fluorescent whitening agent for textile fibers, molded articles and sheets. Offers good resistance to heat. Provides exceptional whitening properties. Exhibits good light fastness and low volatility.

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Product category: Optical brighteners

Omnistab OB

Omnistab OB is a 2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole). It is a high molecular weight optical brightener / fluorescent whitening agent of the thiophenediyl benzoxazole class. Omnistab OB features excellent resistance to heat, exceptional whitening properties, good light fastness and low volatility. It has a brilliant bluish cast, is readily soluble in organic solvents and features good compatibility in various substrates. Suitable for the optical brightening of polymers at all stages of processing. It is highly effective in polymer substrates such as engineering plastics such as polyesters, polycarbonate, polyamides and acrylics, thermoplastic polyurethane, polyvinylchloride, styrene homo- and copolymers, polyolefins and other organic substrates. Main applications include synthetic leather, fibers, molded articles, films and sheets as well as packaging applications. The use levels of Omnistab OB range between 0.0005 – 0.0010 % in unpigmented polyolefins and 0.005 – 0.100 % in other plastics.

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Packaging, Sporting Goods, Household Goods

About us

Company portrait

We bring an alternative to the market.

By working in what we call a no-nonsense way: quick follow up, do as promised, short communication lines, approachable and flexible, we bring market demands and offering together.

Instead of only growing bigger we aim to grow gradually and stay close to our core values.

Members of Partners in Chemicals are the in 2005 founded company Chemical Distribution & Trade, in 2007 founded company ICG Specialty Chemicals (with branch offices in Dubai and Chicago) and in 2012 founded Deltachem (Qingdao).

In our assortment you will find a growing number of in-house produced chemicals. For Omnistab Light Stabilizers, benzotriazole and triazine UV absorbers our production plant is in China. The production is guaranteed under the highest quality certification.

If we do not have in-house production we work with certified production partners who produce with the highest quality standards and following the latest ISO certifications.

We purchase our products only from certified,audited and long term partners.

We offer a wide range of chemical raw materials, specialty chemicals and additives. Our expertise lays in additives. Omnistab is our registered trademark.

With our technical support team in Qingdao, China and R&D centers in Asia and Israël we provide the following technical services for all of our Omnistab products:

  • Formulating
  • Synthesis
  • Toll manufacturing
  • Product development
  • Product testing
  • Chemical Analysis
  • Nano production facilities
Our partners are certified and audited so that we can fully guarantee the control of any changes (change of recipe, change of specification, change of production location and/or any process changes if product properties or processing are concerned).

We consider ourselves specialists of the (Asian) additives production market. Due to our global network we can find reliable and approved sources for the majority of the product inquiries we receive from the market.

Do you have a special request? We provide custom made solutions on a regular basis for a diversity of customers. Special packaging, decanting, dangerous goods deliveries, call off contracts and consignment stock are just some examples of the solutions we can provide to your business.