TT-FNCT06 Full Notch Creep Tester

Application of TT-FNCT06 Full Notch Creep Tester

FNCT is used to determine the stress cracking resistance of polyethylene materials in any environment. A test specimen in the form of a square-section bar with coplanar notches in each face at the center is subjected to a static tensile load in a temperature-controlled environment. The time for this brittle failure to occur after loading is recorded.

Test Standards of TT-FNCT06 Full Notch Creep Tester

• Full Notch creep test—ISO 16770 TEST METHOD
• Tensile creep —ISO 899 (Optional, should be ordered specially)
• Test of resistance to pull out of joins between polyethylene pressure pipes and fittings—ISO3501 (Optional, should be ordered specially)

Features of TT-FNCT06 Full Notch Creep Tester

• Electronic automatic loading system: servo controlling system is introduced to apply constant static load on sample.
• Independent working stations: each station has its independent controlling system; one station will not interfere with the others. Also, test baths can be performed at different temperatures.
• Bidirectional control mode: can be controlled by FNCT mainframe, as well as computer.
• High measuring precision: piecewise linear calibration method of the load sampling system guarantees the force of high precision & stability.
• Driving and loading method: chain soft connection is adopted, which avoid the disadvantage of rigid connection making damage to the bearings.
• Unique exhaust device: high temperature vapour will be exhausted in time.
• Data processing management: export test results to computer to analyze the test result, print out test report etc.
• Multi-protective functions guarantee operators’ safety.

Safeguard Devices

• Overload protection, when the test load is beyond 10% full range, it will stop working automatically.
• Each station is equipped with a currency protective device.
• Set up limit on software, to avoid the sample exceeding the max. tensile space, and foresee the toughness failure status of samples.
• Six individual baths are surrounded & insulated with special heat insulating material, largely increasing the temperature stability; Different test bath can be set at different temperatures; Electronic level control & intelligent water compensation technology make a constant concentration of surfactant solution, and avoid overflow occurs.
• Vapor can be exhausted from the Exhaust Device, protect the operator not from hurting while opening the cover.
• Special design of tensile grip, to avoid damage on sample

Technical specifications of TT-FNCT06 Full Notch Creep Tester