Test Method: SATRA TM178

Water vapour absorption

June 2001

SCOPE

This method is intended to determine the amount of water vapour a material or an assembly will absorb in a specified time. The method is mainly applicable to leathers and textiles used in footwear uppers and clothing where it gives a measure of the ability to remove perspiration from the surface of the wearer’s skin.

PRINCIPLE

Either a single circular test specimen or an assembly of circular test specimens which is representative of a completed product, is clamped between an impermeable membrane and the open end of a vertical cylindrical chamber containing a specified volume of water. After a set time the mass of water absorbed by the test specimen is measured.

REFERENCES

This Test Method does not reference any additional Standards or Test Methods.

HISTORY

First issued April 1995. Revised June 2001.

AVAILABILITY

This test method is available to members and non-members.

PRICE (ex. VAT)

This price is for a printed copy of the Test Method.

• Members: £75
• Non-members: £215

TYPE

• Water transmission

USAGES

• Leather - general
• Leather - uppers and linings
• Textiles and coated textiles, including synthetic uppers and linings