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ISO 16535:2019

Thermal insulating products for building applications — Determination of long-term water absorption by immersion

Jun 21, 2019

General information

90.93     Jun 12, 2025

ISO

ISO/TC 163/SC 1

International Standard

91.100.60  

English   French  

Buying

Published

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Scope

This document specifies the equipment and procedures for determining the long-term water absorption of test specimens. It is applicable to thermal insulating products.
This document specifies two methods:
— Method 1: Partial immersion;
— Method 2: Total immersion.
The long-term water absorption by partial immersion is intended to simulate the water absorption caused by long-term water exposure.
The long-term water absorption by total immersion is not directly related to the conditions on site, but has been recognized as a relevant condition of test for some products in some applications.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 16535:2012

NOW

PUBLISHED
ISO 16535:2019
90.93 Standard confirmed
Jun 12, 2025

National adoptions

SRPS EN ISO 16535:2019  
ISS

Thermal insulating products for building applications - Determination of long-term water absorption by immersion (ISO 16535:2019)

60.60   Standard published

U163 more