Full Notch Creep Test (FNCT)

เครื่องทดสอบ Creep Test รุ่น FNCT

The OCS Full Notch Creep Test (FNCT) is a widely used method of classifying polyethylene materials in terms of their slow crack growth behaviour under accelerated conditions. A circumferentially notched body is loaded in a tempered wetting agent with a defined tensile stress, and the time until a break occurs is measured.

Testable Raw Materials: Polyethylene materials

  • 15 sample stations with independent tensile stress adjustment and data acquisition
  • Load application through easily adjustable lever weight system
  • Precise adjustment of tensile stress through electronic force sensor
  • Uniform bath temperature control through extensive bath insulation
  • Exhaust air connections for targeted vapour extraction
  • Continuous pH value measurement with adjustable warning and alarm thresholds
  • No time limit on test times, time resolution: 1 second (real time)
  • Operation via touch panel with data trend as well as optical and acoustic alarm functions
  • High chemical resistance of the material used (stainless steel)
Tensile force range (infinitely variable pull arm system with 115–315 N) 2.5–6.5 MPa for samples 10 × 10 × 100 mm with notch depth of 1.6 mm
  15–40 MPa for samples 6 × 6 × 90 mm with notch depth of 1.6 mm
Force measurement Electronic force sensor with a resolution of 0.01 N
Fluid volume Approx. 55 l
Level control Stainless steel float sensors and magnetic valves
Inlet pressure range for the supply of demineralised water 0.2–8 bar (3–116 psi)
Communication protocol MODBUS (RTU, TCP/IP), PROFIBUS, PROFINET, OPC (Server/Client), CSV file, customer-specific



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