Test Method: SATRA TM6
Water absorption and desorption - total immersion method
This method is intended to determine the rate at which a material absorbs and desorbs water. The method is mainly applicable to fibreboard footwear insole materials but can be used with any type of sheet material.
Method 1 – Absorption per unit area
The mass of water absorbed by a test specimen, with sealed edges, after it has been fully immersed in water for set times is divided by the surface area of the test specimen.
Method 2 – Absorption and desorption
The mass of water absorbed by a test specimen, without sealed edges, after it has been fully immersed in water for a set time is divided by the original mass of the test specimen. The mass of the test specimen is measured again after a period of storage in a standard atmosphere.
This Test Method does not reference any additional Standards or Test Methods.
First issued December 1966. Revised August 1970, July 1980, March 1993.
This test method is available to members and non-members.
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