Grips are used to securely fasten carpet sample pieces to the motorized tensile machine in order to conduct peel testing for backing material
Can add the tuft and loop withdrawal fixtures for a complete testing solution
This tester measures the force required to peel backing material from carpet (eg. the binding force between the carpet pile and backing) and the force required to withdraw a single tuft, or loop of pile, from the carpet
Tuft retention property is also an important factor in the useful life of a tufted or traditional carpet
Carpets which are badly constructed or poorly backed may lose complete tufts in some situations, for example on stairs
In loop pile carpets, a good bind is necessary to prevent long runner loops formed
Applications: textile floor covering which has a tuft (cut) loop pile yarn structure; woven individual loops; woven individual cut tufts
Features
Portable motorized stand
Digital force gauge: 50 lbf, 25 kgf, 250 N
Peak memory for tensile loads
Accuracy ± 0.3% of full scale ± digit
Safe overload: 150% accuracy
Selectable units of measurement: kg, N, or lbs
Push-button calibration
IPM – intelligent power management system
Sample grips for peel testing
Tuft withdrawal fixtures
Loop fixtures
Test Methods
Peel: the backing of the carpet piece is fastened to the instrument, by sample grips. One grip is secured to the base of the motorized test stand and the other is secured to the digital force gauge. The force is raised at a steady rate and the digital gauge indicates the tension force as the sample backing is peeled from the carpet.
Tuft/loop withdrawal: the carpet sample is held down by a steel plate, and a pair of surgical forceps is clamped to one end of the tuft to be tested, or a hook threaded through one loop. The forceps or hook are linked to the digital force gauge, which is raised at a steady rate. (The average test time for the achievement of the maximum withdrawal force of the tufts and loops should be between 5s and 10s)
Tension on the tuft or loop is increased and the digital force gauge indicates the maximum force needed to withdraw the tuft or loop.
