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Norm

ISO 2528:2017

Issue date: 2017 10 13

Sheet materials — Determination of water vapour transmission rate (WVTR) — Gravimetric (dish) method

ISO 2528:2017 specifies a method for the determination of the water vapour transmission rate (often erroneously called "permeability") of sheet materials. This method is ...
Valid
Publisher:
International Organization for Standardization
Format:
Digital | 15 Pages
Language:
English

ISO 2528:2017 specifies a method for the determination of the water vapour transmission rate (often erroneously called "permeability") of sheet materials.

This method is not generally recommended for use if the transmission rate is expected to be less than 1 g/m2 per day or for materials thicker than 3 mm. In such cases the method specified in ISO 9932 is preferred.

The method cannot be applied to film materials that are damaged by hot wax or that shrink to an appreciable extent under the test conditions used.

For some purposes it may be necessary to determine the transmission rate of creased material; a procedure for this is given in Annex A.

ISO 2528:2017
2017 10 13
Sheet materials — Determination of water vapour transmission rate (WVTR) — Gravimetric (dish) method...
Norm
ISO 2528:1995
1995 08 24
Sheet materials — Determination of water vapour transmission rate — Gravimetric (dish) method
Norm
ISO 2528:1974
1974 11 01
Sheet materials — Determination of water vapour transmission rate — Dish method
Norm