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Flexion length
Determination of the flexibility of nonwovens
ISO 9073-7, EN 22313
ASTM D1388, BS 3356
ERT 50-3
  • Flexion length of nonwovens
  • In accordance with ISO 9073-7

A rectangular strip of nonwoven is positioned flat on a smooth surface and rectangular itself. A rule with a determined mass is disposed on the tire under test nonwovens.

The assembly is pushed into the longitudinal direction so as to exceed the web of substrate. The free end of the latter will then bend under the action of its own weight.

The advanced band will as its free end has not reached a landmark. When the mark is reached, the advanced band distance will be raised.

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