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SATRA STM 706 Bally permeometer

STM 706 Bally permeometer image

This machine assesses the water resistance of heavy leathers, particularly sole leathers. It is the only internationally accepted method for determining this property.

STM 706 uses a dynamic motion during the test closely corresponding to the conditions experienced during wear. The test piece is repeatedly bent and laid flat again under load, as a shoe sole during walking, while in contact with water on one of its sides. The penetration of moisture through the test piece is automatically detected and reported by an acoustic or visual signal.

It is possible to determine the following values using this unique piece of SATRA Bally test equipment: