
Develops customized specialty chemicals and dosing systems for the paper industry and industrial water treatment.
API - Additives for Paper Industry GmbH
Obertrum am See (AT) · Aachen (DE) · Muttenz (CH)New on Amplifa
About API
API - Additives for Paper Industry GmbH is an internationally active specialty chemicals company for the paper industry and industrial water treatment. The owner-managed company develops individually tailored chemical solutions and application concepts (Chemical Customizing), including the product series APIFLOC, APICLEAN, APISPERSE, APIFOAM, APIPHOB, APIZID, APINOX and APIFLEX as well as the MCA InSitu System based on monochloramine. In addition to chemistry, the range of services includes technical analyses, microbiological examinations, deposit controls, the development of dosing concepts, the construction and installation of dosing systems, technical maintenance, regular measurements, inventory management and machine cleaning. The team of experts in chemistry, microbiology, paper production, plant engineering and wastewater technology works closely with customers on site. The headquarters are located in Obertrum am See in Austria; further sites are located in Aachen (Germany) and Muttenz (Switzerland).
- Site
- Obertrum am See
- Processes
- Slime control, Biological & chemical fresh water treatment, Loop water conditioning, Preservation, Catalase control, Pitch and sticky control in the stock, Scale inhibitors & dispersants, Wet felt and press felt conditioning
- Materials
- Industrial water / process water, Fresh water, Loop water (loop water conditioning), Monochloramine (MCA InSitu System), APIFLOC series (flocculants), APICLEAN series, APISPERSE series, APIFOAM series
- Certificates
- ISO 9001
- Founded
- 1994
- Industries
- Paper industry, Industrial water treatment, Industrial water treatment
- 01
Technical analyses and microbiological examinations
- 02
Chemical Customizing – development of tailor-made chemical solutions
- 03
Development of individual dosing concepts
- 04
Plant engineering and installation of the dosing systems
- 05
Continuous operation, technical maintenance and regular measurements
- 06
Customer service: inventory management, refilling of the product containers
Products and Processes
APIFLOC series (flocculants)
Flocculant series used since 1994 for paper production.
APICLEAN series
Product series introduced in 1996 for cleaning applications in the paper industry.
APISPERSE series
Dispersant series introduced in 1996 for process applications.
APIFOAM series
Foam control series introduced in 1997 for paper machines.
APIPHOB series
Product series introduced in 1998 for paper manufacturing.
APIZID series
Product series introduced in 1999 for paper machine applications.
APINOX series
Product series introduced in 2004 for the paper industry.
APIFLEX series
Product series introduced in 2008 for flexible applications.
MCA InSitu System (monochloramine)
BPR-registered monochloramine-based system marketed since 2016 for microbiological control in process water.
Sites

Obertrum am See
ATHeadquarters – sales, purchasing, R&D, administration

Aachen
DEPlant engineering, technology, R&D (API-Applications for Paper Industry GmbH & Co KG)
- Materials
- Chemical product series, monochloramine (MCA InSitu System)
- Dosing systems (installed on site at the customer)

Muttenz
CHSales & technology office (API-Additives for Paper Industry Schweiz AG)
Inside the production












Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Slime controlEngineering | – | – | – | – | – |
| Biological & chemical fresh water treatmentEngineering | – | – | – | – | – |
| Loop water conditioningEngineering | – | – | – | – | – |
| PreservationEngineering | – | – | – | – | – |
| Catalase controlEngineering | – | – | – | – | – |
| Pitch and sticky control in the stockEngineering | – | – | – | – | – |
| Scale inhibitors & dispersantsEngineering | – | – | – | – | – |
| Wet felt and press felt conditioningEngineering | – | – | – | – | – |
| Dry felt conditioningEngineering | – | – | – | – | – |
| System, fabric & foam cleanersEngineering | – | – | – | – | – |
| Special cleaning applicationsEngineering | – | – | – | – | – |
| Microbiological analysesTesting | – | – | – | – | – |
| Deposit controlTesting | – | – | – | – | – |
| Technical maintenance & regular measurementsInstallation | – | – | – | – | – |
| Development of dosing concepts and installation of dosing systems (plant engineering)Installation | – | – | – | – | – |
| Process engineering (process water and paper quality)Engineering | – | – | – | – | – |
| Chemical Customizing – tailor-made chemical solutionsEngineering | – | – | – | – | – |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Dosing systems (installed on site at the customer) | – | – | – | – | Aachen / Obertrum am See |
Additional services
Quality
Quality management is certified according to ISO 9001 (first certification in 1997, recertification in 2015). Services include microbiological analyses, deposit controls as well as technical maintenance and regular measurements at the customer's site.
| Evidence | Obertrum am See | Aachen | Muttenz |
|---|---|---|---|
| ISO 9001 |
History
- 1994
Foundation of API-Additives for Paper Industry GmbH based in Wals-Siezenheim/Austria and market launch of the APIFLOC series
- 1996
Market launch of the APICLEAN series and the APISPERSE series
- 1997
Market launch of the APIFOAM series and ISO certification 9001:2000
- 1998
Market launch of the APIPHOB series
- 1999
Market launch of the APIZID series
- 2001
Relocation of the company's registered office to Mattsee/Austria
- 2003
Relocation of the company's 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 of BPR registration for monochloramine – market launch of the 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
30th company anniversary