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ISO 811:1981

Textile fabrics -- Determination of resistance to water penetration -- Hydrostatic pressure test

General information

Withdrawn from 27.03.2018
Directives or regulations
None

Standard history

Status
Date
Type
Name
27.03.2018
Main
A specimen is subjected to a steadily increasing pressure of water on one face, under standard conditions, until penetration occurs in three places. The water pressure may be applied from below or from above the test specimen. The hydrostatic head supported by a fabric is a measure of the resistance to the passage of water through the fabric.

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