Physical-technical inspections: Quality, efficiency, customer service

The focus of all testing scenarios is on securing benefits for the customer. Our staff members possess the best material and testing expertise, work with the latest laboratory technology, and network constantly with professionals from the fields of inspection technology and science. Our laboratory experts monitor the entire lifecycle of GKD products.
It’s vital that the quality products from GKD exactly meet the customer’s desired specifications. That’s why our physical and technical laboratory conducts tests in the following areas:

  • Product development
  • First sample inspection
  • Inspection in the event of damage
  • Inspection in the event of a complaint
  • Customer-specific tests
  • Quality assurance during the production process

The focus of all testing scenarios is on securing benefits for the customer. Our staff members possess the best material and testing expertise, work with the latest laboratory technology, and network constantly with professionals from the fields of inspection technology and science. Our laboratory experts monitor the entire lifecycle of GKD products.

Between the product idea and the finished application comes mechanical inspection. It provides real data on mechanics and shows how materials and products behave in practice. This is how we ensure that specifications are met and regulations and quality standards are observed.

  • Tensile test up to 100 kN including hysteresis test on metallic materials at room temperature according to DIN EN ISO 6892 / DIN EN ISO 13934-1 / DIN EN ISO 13935-1
  • Tensile test in the climatic chamber up to +250 °C
  • Erichsen cupping test according to DIN EN ISO 20482
  • Determination of the coefficients of friction according to ISO 8295
  • Load-controlled fatigue testing (Wöhler test) according to DIN 50100
  • Chemical composition of various metals by means of elemental analysis via X-ray fluorescence (XRF)

Ever more demanding operating and environmental conditions increase chemical stresses and thus the risk of corrosion for materials. This can lead to structural damage, expensive repairs or contamination, environmental damage, and the loss of products. To avoid this, we carry out targeted chemical tests. With the predominant salt spray tests, we focus especially on the critical application areas of our customers and ensure safety.

  • Corrosion tests by means of salt spray tests according to ASTM B117, DIN EN ISO 9227, Strauss test

Based on comparative tests, we optimize our meshes wherever constant quality standards are required. In doing so, we look at meshes of all types in terms of their structure and construction. In this way, specified tolerance limits are adhered to.

  • Pore size according to DIN ISO 3310 and DIN ISO 9044
  • Manual and automatic mesh determination (e.g. according to DIN ISO 9044 for square mesh)
  • Open area (light transmission)
  • Determination of the mesh thickness
  • Determination of the weight per unit area
  • Porosity
  • Water permeability of mesh according to DIN EN ISO 11058
  • Filter media resistance by means of pocket filters / Büchner funnels
  • Air permeability of mesh according to DIN EN ISO 9237
  • Surface coarseness on wires
  • Rebound angle

With the experience and knowledge gained from countless applications, we also support our customers with specific tests in the field of filtration. These tests are carried out in a standardized manner according to normative specifications. In this way, we assure and improve the quality of the products and ensure high quality in the development of new products.

  • Bubble point and pore size distribution by means of capillary flow porometer according to ASTM D6767, ASTM F316-03, ISO 2942 and ISO 4003
  • Sized-bead test/spherical aperture according to ISO 17824 / API 19SS
  • Retention rate of a filter according to ISO 13319
  • Mesh opening (cut point) according to Whitehouse Scientific

Is a product or one of its components failing? We clarify the cause and solve the problem.

  • Surface inspection / surface defect inspection using digital microscopy (2D, 3D)
  • Component cleanliness inspection according to VDA 19
  • Specific acoustic impedance (Rayl value)
  • Electrical resistance
  • Free shrinkage / shrinkage path / free shrinkage force up to max. 250 °C
  • Grain size determination according to DIN EN ISO 643
  • Titration/pH value measurement according to DIN EN ISO 10523:2012-04/DIN EN ISO 8655-3:2020-09