Testing of plastics in compliance with current standards

Machines voor mechanische proeven

Mechanical testing

The quality of welded joints are of crucial importance when installing geomembrane structures. The quality of the adhesion of the welding surface is guaranteed by a number of measures:

  • Control of preparations and welding parameters before the start of the welding process.
  • Control during the welding process.
  • Visual and mechanical examination of the manufactured welds after the welding process.
Why Normec QS?
  • Rely on years of experience and expertise.
  • Schedule inspections, tests and training flexibly.
  • From testing to certification; you are 100% taken care of.
  • Normec QS is your expert partner with an active involvement in standardisation.

Extensive laboratory facilities Normec QS

Normec QS has in-house accredited laboratory facilities for preparation and testing of plastic and welding connections. Our laboratory technicians test both field welding (on a test basis) and test welding in accordance with the applicable DIN directive and ISO standards. We use a demonstrably independent working method, in which quality – as a matter of course – comes first.

We understand that you want to receive the research results as soon as possible. In consultation with you, we will agree on the term. It is possible to have the results available from 24 hours to a few days after the test.

DIN-guide lines en ISO-standards foil constructions:

  • NEN-EN-ISO 527 – Plastics – Determination of tensile properties
  • NEN-EN-ISO 8256 – Plastics – Determination of tensile-impact strength
  • DIN 53357 – Testing of plastics sheets
  • NEN-EN 12316-2 – Determination of peel resistance of joints
  • ASTM D 5397 – Stress Crack Resistance Of Polyolefin Geomembranes Using Notched Constant Tensile Load
  • EN 14576 – Geosynthetics – Test method for determining the resistance of polymeric geosynthetic barriers to environmental stress cracking
  • Protocols for the application of plastic geomembranes for soil protection and gas and liquid barrier layers – Part I: Materials, UIT 83:2018, NEN
  • Protocols for the application of plastic geomembranes for soil protection and gas and liquid barrier layers – Part II: Construction and acceptance, UIT 84:2018, NEN

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