Vamp Flex Test Resistance To Creasing And Cracking

Detailed Product Description

Norme

ISO 4643

ISO 5423 sezione 5.2

EN ISO 20344-2004 Sezione 6.5.2

AS/NZS 2210.2 Sezione 6.5.2

EN ISO 22288

SATRA TM25

Applicazione

This machine is suitable for the test method of the folding resistance of uppers.

Principle

The sample is fixed on the fixture, and the fixture moves relative to each other.When the two fixtures are close, the sample bends. During the test, the fixture moves at a uniform speed, and the sample repeatedly bends. Observe the damage of the sample.

Product information

To primarily intended to determine the propensity for materials to crack or be used to assess whether leathers are likely to produce salt spue. In particular the test simulates conditions in the vamp part of footwear during walking. The test can be conducted with either wet or dry specimens at room temperature or with dry specimens at sub zero temperatures. The method is applicable to all flexible materials and in particular those used to manufacture outers and linings of footwear uppers such as leathers, coated fabrics and textiles

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