Accelerated ageing


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Stockholmsvägen 59



The service life of a polymer is affected by environmental parameters such as humidity, oxygen, UV irradiation, Ozone among others. In case of exposure to aggressive chemicals the service life is usually reduced a lot. In order to estimate the service life polymer it is common to perform some short term tests in order to achieve information on the ageing process useful to predict the service life under use.

A good understanding of the ageing mechanisms is important in order to design an ageing test that accelerates the ageing process without changing it. Several tools based on measuring the kinetics of the ageing process exist.


  • Accelerated ageing
  • Activation energy
  • Kinetics
  • Acceleration factor
  • Climate chamber
  • Oven ageing


  • Design of accelerated ageing tests
  • Kinetic studies of the ageing process
  • Temperature ageing
  • Evaluation of test results
  • Prediction of service life
  • Influence of diffusion
  • Physical and chemical characterisation
  • Mechanical testing
  • Service life
  • Life time extension

Accelerated ageing


Polymer technology

  • Polymer materials
  • Polymer processing
  • Characterisation
  • Curing of thermoset


Epoxy technology

  • Curing progress
  • Conversion, vitrification
  • Curing kinetics
  • Resin and curing systems


Analysis & Characterisation

  • DSC, TGA
  • DMA
  • Tensile testing
  • Creep testing
  • Diffusion properties

Stability and lifetime

  • Accelerated ageing
  • Climate chamber
  • Life time prediction
  • Reaction kinetics
  • Life time extension


Simulation & Modeling

  • Heat transfer
  • Structural mechanics
  • Flow properties
  • Diffusions properties
  • Electric properties


Flow properties

  • Viscosity
  • Viscosity function
  • Pseudo-plastic
  • Thixotropy
  • Flow behaviour


Polymira AB