About us

We are an internationally active company in the field of specialty chemicals for the paper industry and industrial water treatment. At our two sites in Obertrum am See and Aachen, we develop customized chemical solutions and application concepts for our customers.

Individual solutions are our strength

Our customers’ requirements are as unique as molecules themselves. Our aim is to find a tailor-made solution for every problem. That is why we take a personal, individual approach. Our highly committed, experienced team from the fields of chemistry, microbiology, paper production, plant engineering and wastewater technology work closely with our customers. This allows us to ensure that our products not only improve the quality of the end product, but also optimize operational efficiency.

Better quality, higher productivity for your systems

Our decisions are not geared towards short-term profits, but towards sustainable success. We invest in research and development, pursue forward-looking solutions and build on long-term partnerships based on trust. Because we know that this is how we can ensure lasting positive effects for our company, for our customers and for our business partners.

  • 1994

    Foundation of the API

  • 1996

    Market launch of APICLEAN series, APISPERSE series

  • 1997

    Market launch of APIFOAM

  • 1998

    Market launch of the APIPHOB series

  • 1999

    Market launch of the APIZID series

  • 2003

    Relocation of the company headquarters to Obertrum am See/Austria

  • 2004

    Market launch of the APINOX series

  • 2008

    Market launch of the APIFLEX series

  • 2015

    ISO certification 9001:2008

  • 2016

    Start BPR Registration Monochloramine – Market launch MCA InSitu System

  • 2019

    Foundation of API-Applications for Paper Industry GmbH & Co KG based in Aachen/Germany

  • 2021

    Opening of the new technology site in Aachen

  • 2023

    Opening of API-Additives for Paper Industry Schweiz AG based in Muttenz

  • 2024

    30-year company anniversary

Our slogan “The chemistry is right” reflects far more than just our products. As an owner-managed company, we also value a harmonious chemistry in our personal interactions – whether within the team, with our customers or with business partners. Appreciative communication, cooperation on eye level, trust and reliability are the basis of every relationship for us.

fair working conditions

uncompromising safety

respectful treatment

transparent compliance

highest quality standards

responsible use of resources

We are present in these countries:

Products

To get the best out of your systems, you need the right combination of products. We carry out technical analyses, identify the specific need for optimization and advise you with our combined expertise in chemistry, microbiology, wastewater technology and paper production.

We are proud to be able to say that the chemistry is right not only in our products, but also in our interpersonal relationships. Enjoyment of work, opportunities for further development and a family atmosphere are very important to us. We know what we have in our employees and do everything we can to make them feel completely at ease.

Become part of our community and help shape the future of the paper industry.

Privacy
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