Vamp Material Flexing Tester - After loading the test specimen on the VAMP resistance torsion testing machine, the surface of the test specimen was observed to evaluate the resistance to torsion of the test material by observing the changes in the surface of the test specimen at a certain frequency.

Standards

GB/T20991-2007、EN ISO230344-2012、SATRA TM25、ISO 4643

sample preparation:

Cut out 6 test pieces with a knife mold.

Test steps

1. Put the precut specimen into the fixture in the shape of inverted V and then tighten it.

2. Start the instrument, press "" to set the required test times, and press" Start "to Start the test.

Test results

1. No changes or slight wrinkles.

2. Obvious or serious damage.

3. Slight cracking (the surface layer or coating layer is cracked, but not to the foaming layer or middle layer).

4. Obvious cracking (there are cracks in the foaming layer or the middle layer, but the foaming layer or the middle layer has not been completely cracked, or for a single layer of mulch, the cracks have not cracked to the base layer).

5. Severe rupture (completely to the underlying fabric).

6. Total destruction.

Email: hello@utstesters.com

Direct: + 86 152 6060 5085

Tel: +86-596-7686689

Web: www.utstesters.com