ISO 20393:2007

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Thermal-insulating materials — Determination of long-term water absorption by diffusion

Published By	Publication Date	Number of Pages
ISO	2007-06	10

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Categories: 83.100 - Cellular materials, ISO

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Description

ISO 20393:2007 specifies equipment and procedures for determining the long-term water absorption of test specimens by diffusion. It is intended for use with thermal-insulation products. It is designed to simulate the absorption of water by products subjected for a long period of time not only to high relative humidity, approximating to 100 %, on both sides but also to a water vapour pressure gradient, as experienced by e.g. inverted roof or unprotected ground insulation.

The test is not applicable to all types of thermal-insulation product. The product standard should normally state whether this test is applicable to a particular product.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	2007-06
Pages Count	10
Language	English
Edition	1
File Size	153.6 KB
ICS Codes	83.100 - Cellular materials

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ISO 20393:2007

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