Active standard | Published: 06/06/2007

ISO 20393:2007

Thermal-insulating materials — Determination of long-term water absorption by diffusion
(Matériaux d´isolation thermique — Détermination de l´absorption d´eau a long terme par diffusion)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 20393:2007

Publication date: 06/06/2007

Pages: 5

Country: International technical standard

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Anotation

Description / Abstract: 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.

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