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General Testing Method For Tensile Strength Testing Machine Dec 13, 2021
General testing method for tensile strength and elongation of footwear outsole.
Tensile strength: the tensile stress at the maximum force value.
Elongation at break: The ratio of the length increased by the test length to the original length when the sample is broken. Stress at specified elongation: The stress required when the sample reaches the specified elongation.

Test equipment and auxiliary devices:
1. Tensile testing Machine for footwear
2. Die and cutter: Die for dumbbell-shaped specimens. The parallelism of the narrow part of the die should not exceed 0.05mm.
3. The thickness gauge has a stable platform, and its presser foot has a fixed weight load, which can apply a pressure of 10kPa ± 3 kPa. The diameter of the circular flat presser foot of the thickness gauge is 10.0mm soil 0.1mm.
4. The scale of the thickness gauge scale is 0.01mm

Universal Material Tensile Testing Machine:
1. The moving speed is constant at 100mmmin, the accuracy is level 2, and the force value can be automatically recorded. Sample preparation:
2. The sample thickness is:
———High-density outsole made of polymer and elastic materials, with a thickness of 2.0mm 土0.2mm  ———Foamed microporous outsole, with a thickness of 4.0mm 土0.2mm.
———Leather outsole: thickness is outer sole thickness.
3. The number of samples for each test is at least 3, and a suitable layering machine should be used to obtain a uniform thickness. If feasible, the original smooth "skin" of the sample should be retained.

Electronic universal testing machine Test Method:

Mark the sample: If a non-contact star detector is used, use a suitable scribe to draw two reference marks on the sample to determine the test length of the sample, and mark two on the narrow part of the sample The reference mark that is equidistant from the center of the sample and perpendicular to the axis of the sample, as shown in Figure 2. When marking, the sample should be in an untensioned state.

GESTER Universal Testing Machine For Footwear (Dual Column) GT-K01 is designed for conducting tensile, compression, bending, shearing, bonding strength, peeling, tearing and other tests for shoes ,rubber, plastic, leather, metal, nylon line, fabric, paper

Universal Testing Machine For Footwear (Dual Column) GT-K01


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