Current research projects

Image Micro fluidic expansion valve
Image Laseroptical measurement
Image Tribological investigations of oil-refrigerant-material-systems
Image Development of test methods and test rigs for stationary integrated refrigeration units
Image Hydrogen and methane testing field at the ILK
Image Behavior of multiphase cryogenic fluids
Image Helium extraction from natural gas
Image Innovative cryogenic cooling system for the recondensation / liquefaction of technical gases up to 77 K
Image Air-flow test rig for fan characteristic measurement
Image 3D - Air flow sensor
Image Certifiable connection types in cryogenics
Image Tensile and compression testing
Image High temperature heat pump
Image Measurement of insulated packaging
Image Industry 4.0 membrane heat and mass exchanger (i-MWÜ4.0)
Image Hybrid- Fluid for CO2-Sublimation Cycle

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Investigation of materials

Dr.-Ing. Margrit Junk

+49-351-4081-5419

Investigations regarding the compatibility of materials with refrigerants, oils and heat transfer fluids

Our portfolio includes testing

  • of materials such as polymers, elastomers, nonwovens, adhesives, and metals,
  • of material composites such as wire enamels and hoses, as well as
  • of components and assemblies

together with refrigerant and oil (also under pressure) or with heat transfer fluids as well as

  • of the autostability of oil and refrigerant together with catalyst metals.

We offer tests according to common standards and company standards, but we are also happy to work with you to develop test scenarios tailored to your requirements

Our range of services:

  • Testing of standard samples and components under the influence of refrigerants, refrigerating machine oils and heat transfer fluids in accordance with

    - national and international standards, including

    - ANSI/ASHRAE 97

    - DIN EN ISO 14903

    - DIN EN ISO 23936-2

    - DIN ISO 1817

    - Norsok M-710

    - standards of automotive industry, both OEM and suppliers

    - standards of compressor manufacturers.

  • For aging tests our lab is equipped with:

    - Pressure vessels (autoclaves) with volumes from 300 ml to 2000 ml (for pressures up to 200 bar)

    - ovens/climate chambers for the temperature range from -40 °C to 300 °C.

  • The tests include:

    - swelling behavior

    - hardness (IRHD, µShore D, Vickers, Brinell)

    - tensile, flexural and compression testing

    - compression set under temperature and media loading

    - rapid gas decompression

    - environmental stress cracking tendency of polymers

    - testing of adhesive joints (tensile shear test according to DIN EN 1465)

    - determination of the glass transition temperature (DSC)

    - permeation properties of elastomers

  • Characterization of working fluids

    - Total acid and base number of oils

    - water content of oils and refrigerants

    - IR spectroscopy

    - gas chromatography (GC-MS/FID) of refrigerants and oils

    - ICP-OES for the determination of metal contents in oils and heat transfer fluids

    - electrical properties (incl. conductivity of oils and refrigerants)

The mentioned tests are only a part of our portfolio. If the test conditions or parameters you require are not listed, please do not hesitate to contact us.


Your Request

Further Projects - Measurements and Tests

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Performance tests of refrigerant compressors

Does your compressor perform well?

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Measurement of insulated packaging

How efficient is my cool box?

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Cold meter

The fast way to refrigerating capacity

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Verification of storage suitability of cryo tubes

Artificial aging of primary packaging for biobanking applications

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Preformance measurements of heat exchangers

Is the heat exchanger properly sized?