ISO 811

Description of the test
Textiles. Determination of resistance to water penetration. Hydrostatic pressure test.

  • The test fabric is clamped to the test head so that the face of the fabric comes into contact with the water
  • The fabric is immediately subjected to a steadily increasing pressure of distilled or fully deionised water until penetration occurs in three places
  • The pressure at which the water penetrates the fabric in the third place is recorded
  • Further specimens are tested until the requisite number of satisfactory results are obtained

Third Party Validation
On passing this test, the tested product can be labelled as having been tested by airmid healthgroup to ISO 811 in support of any claim relating to the test and data received.

Tunraround Time
15 working days

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