Caps and closure testing

Norner performs very many standard tests/datasheet tests.

  • Mechanical properties according to ISO / ASTM standards
  • Chemical characterization
  • Food migration OML/SML

Performance tests

Beverage caps

  • Processing trials 2 cavity beverage cap 28mm neck finish PCO1810 injection moulded caps
  • Secure Seal Test (SST)
  • CO2 retention
  • Test Method for Environmental Stress Crack Resistance (ESCR) of Threaded Plastic Closures (ASTM D5419-14a./ ASTM D5419-95)
  • Cap doming
  • Leakage testing
  • Closure dimensions
  • Response of Colour MB of performances

Design caps - household chemicals - personal care - food

  • Processing trials 4 cavity flip-top injection moulded caps
  • Closure dimensions
  • Hinge Torque
  • Hinge Tensile test
  • Hinge fatigue test
  • Response of Colour MB of performances

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Injection moulding

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