SIST EN ISO 16546:2020 PDF

Name: SIST EN ISO 16546:2020 — Thermal insulating products for building applications - Determination of freeze-thaw resistance (ISO 16546:2020)
SKU: SIST EN ISO 16546:2020
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Thermal insulating products for building applications - Determination of freeze-thaw resistance (ISO 16546:2020)

Название (английский):

SIST EN ISO 16546:2020

Thermal insulating products for building applications - Determination of freeze-thaw resistance (ISO 16546:2020)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 14
Дата публикации:: 4 сентября 2020 г.
Издание:: ISO 16546:2020
ICS:: 91.100.60

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Описание (английский):

This document specifies the equipment and test method for determining the effects of successive cycling from dry conditions at −20 °C to wet conditions at 20 °C on the mechanical properties and moisture content of thermal insulating products. This document is intended to simulate the freeze?thaw effects on thermal insulating products which are frequently exposed to water and low temperature conditions, e.g. inverted roofs and unprotected ground insulation.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 16546:2020 (ISO 16546:2020) specifies a standardized, automatic test method for determining the freeze‑thaw resistance of thermal insulating products for building applications. The procedure simulates repeated cycling from dry conditions at −20 °C (freezing in air) to wet conditions at 20 °C (thawing in water) to measure changes in water absorption and compression behaviour after 300 successive cycles. This European adoption by CEN ensures harmonized assessment for products commonly exposed to water and low temperatures (e.g., inverted roofs, unprotected ground insulation).

Key topics and requirements

Test principle: Continuous automatic freeze–thaw cycling between −20 °C (air) and 20 °C (water) to replicate real exposure conditions.

Performance metrics: Change in mass (water absorption) and change in compression strength or stress (compression behaviour) quantify freeze‑thaw resistance.

Number of cycles: 300 successive freeze‑thaw cycles.

Long‑term water absorption link: Testing is performed in conjunction with either ISO 16536 (water absorption by diffusion) or ISO 16535 (long‑term absorption by immersion); the choice depends on the product application.

Specimens: Set A specimens (used for water absorption) and derived compression test sets B1/B2. Specimen thickness equals original product thickness; typical sizes are 500 × 500 mm or 200 × 200 mm depending on the absorption method.

Apparatus: Cold chamber (−20 ± 2 °C), water tank (20 ± 2 °C) with specimen holder, accurate balance (0.1 g), and compression testing machine per ISO 29469.

Conditioning: Standard conditioning at (23 ± 5) °C (or (23 ± 2) °C and 50 ± 5 % RH in disputes); alternative tropical conditioning at (27 ± 5) °C and 65 ± 5 % RH must be reported.

Automation: The current edition requires the test to be performed by an automatic process.

Practical applications and users

Manufacturers: Validate product durability and support performance declarations for insulation boards, panels, and loose fills used in wet/low‑temperature exposures.

Test laboratories: Implement standardized freeze‑thaw protocols for quality control and certification testing.

Specifiers and designers: Select insulation materials suitable for inverted roofs, below‑grade insulation, terraces, and other assemblies where water ingress and freezing are expected.

Regulators and certification bodies: Use results to verify compliance with product standards and building regulations.

Related standards

ISO 16536 - Water absorption by diffusion (linked method)

ISO 16535 - Long‑term water absorption by immersion (linked method)

ISO 29469 - Determination of compression behaviour (used for compression testing)

EN ISO 16546:2020 provides a consistent, reproducible framework to assess how thermal insulating products withstand freeze–thaw cycling - essential for specifying durable insulation in cold, wet building environments.

SIST EN ISO 16546:2020 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Practical applications and users

Related standards

Технические детали

ISO 16546:2020

Thermal insulating products for building applications — Determination of freeze-thaw resistance

SIST EN ISO 16536:2019

Thermal insulating products for building applications - Determination of long term water absorption by diffus…

SIST EN ISO 16535:2019

Thermal insulating products for building applications - Determination of long- term water absorption by immer…

SIST EN ISO 29469:2023

Thermal insulating products for building applications - Determination of compression behaviour (ISO 29469:202…