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Accredited test laboratory

Dipl.-Ing. (FH) Stefan Link

Dipl.-Ing. (FH) Stefan Link

Laboratory manager
Dr. rer. nat. Markus Pohlmann-Lortz

Dr. rer. nat. Markus Pohlmann-Lortz

Deputy laboratory manager

We operate a quality management system accredited to DIN EN ISO/IEC 17025, which we are constantly developing.

We offer you:

  • Reproducible results with the greatest possible transparency
  • Support in the interpretation of measurement data
  • Process-integrated solution concepts

You can download our DAkkS accreditation certificate here.

A current list of DIN EN ISO/IEC 17025 cat. III flexibly accredited test methods can be downloaded here.

Objects in contact with food

We offer customized consulting services and carry out tests in accordance with the applicable food safety standards. Our expertise ensures not only compliance with legal regulations, but also the highest safety standards for the consumer. With our specialist knowledge, we support companies in developing and manufacturing products that meet demanding hygiene and quality requirements.

among other things, we test for you:
  • Dishwasher safe
  • Microwave suitability
  • Metal resistance, food safety
  • Stress measurement on glasses
  • Thermal shock resistance
  • Surface and microstructural defects
  • Hairline crack resistance
  • Impact resistance/pendulum impact
  • Ovenware/cooking utensils

Raw materials and industrial minerals

Our testing laboratory carries out basic chemical and mineralogical tests on natural, synthetic and aqueous raw materials. Our expertise also lies in the application-oriented special analysis of raw material properties, the development of sustainable concepts and in-house quality assurance.

among other things, we test for you:
  • Particle size distribution
  • Specific density
  • Specific surface area (BET)
  • Chemical composition (XRF, ICP)
  • Phase analysis (RBA, FTIR)
  • Elution test
  • Rheology

Mechanical testing

Our facility is equipped to test the mechanical strength of ceramic materials. Through precise and accurate test procedures, we provide well-founded findings on the load-bearing capacity and stability of ceramic components.

among other things, we test for you:
  • Hardness (Vickers, Mohs)
  • Abrasion resistance
  • 3-point and 4-point flexural strength
  • Biaxial flexural strength
  • E-modulus
  • Surface wear
  • Depth wear

Thermal analysis

Our company offers comprehensive services for the thermal analysis of ceramic materials. We have an experienced team of professionals and state-of-the-art equipment to perform a variety of thermal analyses.

among other things, we test for you:
  • Simultaneous thermal analysis (TG, DTA, DSC)
  • STA with FTIR analysis
  • Heating microscopy
  • Dilatometry (-150 °C to 2400 °C)


The FGK is concerned with testing the functional properties of ceramic tile surfaces and their durability in terms of safety in use, in combination with cleaning and hygiene. Some of the tests on tiles and floor coverings to assess the surface can also be carried out on site.

among other things, we test for you:
  • Slip resistance, evaluation of the risk of slipping
  • Sliding resistance
  • Cleaning behavior and stain resistance
  • Surface topography
  • Surface wear and deep wear
  • Abrasion resistance
  • Gloss and color measurement
  • Damage analysis


Our advanced microscopy technology provides precise insights into the structure and composition of ceramic materials and components to give you in-depth analysis and knowledge.

among other things, we test for you:
  • Scanning electron microscopy (SEM)
  • Energy dispersive X-ray spectroscopy (EDX)
  • Environmental Scanning Electron Microscope (ESEM)
  • Light microscopy
  • Surface topography

Building ceramics

Our institute has many years of experience in testing bricks, roof tiles and clinker bricks, and we are experts in the field of building ceramics. Put your trust in our expertise for reliable and comprehensive testing of your bonded and unbonded building materials.

among other things, we test for you:
  • Chemical analysis
  • Soluble salts
  • Strength tests
  • Damage analysis
  • see “Tile testing”

Bio- and dental ceramics

We offer a wide range of special analytics for your raw materials and materials for bioceramics and dental ceramics in the areas of chemical, physical-thermal and mechanical testing. We are happy to support you in your projects with the practical introduction and implementation of innovative products and processes.

among other things, we test for you:
  • Chemical composition
  • Microstructure
  • Four-point flexural strength, biaxial flexural strength and Weibull modulus
  • Fracture toughness
  • Young’s modulus
  • Vickers hardness
  • Accelerated ageing test

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