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OCS Full Notch Creep Test (FNCT)

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Code: #29942

Supplier: LMS Technologies Pte Ltd

OCS Full Notch Creep Test (FNCT)

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  • 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.

  • 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

  • - 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)

 

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