ISO 811:1981
International Standard
Historical
·
Approved on
01 September 1981
Textile fabrics — Determination of resistance to water penetration — Hydrostatic pressure test
ISO 811:1981 Files
English
3 Pages
Historical
29.89 OMR
ISO 811:1981 Scope
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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