ISO 29767:2019 PDF

Name: ISO 29767:2019 — Thermal insulating products for building applications — Determination of short-term water absorption by partial immersion
SKU: ISO 29767:2019
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Thermal insulating products for building applications — Determination of short-term water absorption by partial immersion

Название (английский):

ISO 29767:2019

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

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 7
Дата публикации:: 27 июня 2019 г.
Издание:: ISO IS 29767 edition 2 version 1
ICS:: 91.100.60

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Описание (английский):

This document specifies the equipment and procedures for determining the short‑term water absorption of specimens by partial immersion. It is applicable to thermal insulating products. NOTE It is intended to simulate the water absorption caused by a 24 h raining period during construction work.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты ISO

Overview - ISO 29767:2019 (short-term water absorption, partial immersion)

ISO 29767:2019 specifies a laboratory method to determine the short‑term water absorption of thermal insulating products for building applications by partial immersion. The procedure simulates water uptake caused by a 24‑hour raining period during construction and gives a repeatable, comparable measure of how much water a product absorbs through the immersed face. Results are expressed as mass gain per unit bottom area (kg/m²).

Key topics and technical requirements

Scope: Applies to thermal insulating products used in buildings; intended to simulate a 24 h rain event.

Specimens:

Prism specimens with square cross‑section, side (200 ± 1) mm; thickness = original product thickness.
At least four specimens unless a product standard specifies otherwise.
Cut without edges removed; retain skins, facings and coatings.

Conditioning and test environment:

Conditioning: minimum 6 h at (23 ± 5) °C (more stringent 23 ± 2 °C / 50 ± 5 % RH in disputes or as product standard).
Test temperature usually (23 ± 5) °C; tropical conditions (27 ± 5 °C and/or 65 % RH) allowed and must be reported.

Apparatus:

Balance accurate to 0.1 g.
Water tank with level control (±2 mm) and specimen holder that covers ≤15 % of immersed cross‑sectional area.
Tap water at test temperature; deionised water when disputed.
Drainage equipment for Method A (e.g., inclined mesh).

Test methods:

Method A (drainage): After 24 h immersion (bottom face 10 ± 2 mm below water), specimen is drained for 10 min and weighed. Water uptake W = (m24 − m0) / Ap.
Method B (deduction of initial uptake): Initial short exposure (10 s) measures initial water pickup (m1); after 24 h the specimen is weighed. Applicable only if initial uptake ≤ 0.5 kg/m². Water uptake W = (m24 − m1) / Ap.
Results reported to nearest 0.01 kg/m²; mean of individual values used. For products with dissimilar faces, report two means.

Accuracy:

Interlaboratory data: Method A reproducibility ~0.10 kg/m² (range tested 0.02–0.50 kg/m²); Method B reproducibility ~0.15 kg/m² (range 0.04–0.20 kg/m²). Repeatability not determined.

Applications - who uses ISO 29767:2019

Insulation manufacturers for product development, quality control and specification compliance.

Independent testing laboratories to provide standardized water‑absorption data.

Architects, specifiers and building engineers assessing moisture risk during construction and selecting suitable materials.

Certification bodies and regulators requiring harmonized test evidence for product performance claims.

Related standards

ISO 29768 (determination of linear dimensions of test specimens)

ISO 5725‑2 (precision and reproducibility of measurement methods) - referenced for accuracy assessment

Keywords: ISO 29767:2019, thermal insulating products, short‑term water absorption, partial immersion test, Method A drainage, Method B initial uptake, building insulation testing, 24‑hour rain simulation.

ISO 29767:2019 PDF

Abstract

Похожие стандарты

Overview - ISO 29767:2019 (short-term water absorption, partial immersion)

Key topics and technical requirements

Applications - who uses ISO 29767:2019

Related standards

Технические детали

BS EN ISO 29768:2022

Thermal insulating products for building applications. Determination of linear dimensions of test specimens.

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