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Tear load test of polyurethane synthetic leather for automobiles

[ 2024-12-19 ]

Tear strength determination:

1. Number of samples: longitudinal and transverse

2. Sample size:

3. Spacing:

4. Test speed:

5. Test steps:

1) Adjust the spacing between the two clamps to 75mm.

2) Install the two legs of the sample so that the center of the sample main axis and the connecting line of the clamp coincide.

3) Set the required test speed, start the test machine and record the load required to extend the crack beyond the length of the uncut sample.

6. The test result is the arithmetic mean of the maximum load of the three samples, accurate to 0.1N. Polyurethane synthetic leather (Polyurethane Synthetic Leather) belongs to a class of polyurethane elastomers. It has a soft, natural gloss, soft feel, and a strong leather feel. It has excellent mechanical properties such as excellent adhesion to the substrate, wear resistance, flex resistance, and anti-aging. It also has the advantages of good cold resistance, breathability, washability, easy processing, and low price. It is the most ideal substitute for natural leather.

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