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//ISO 29470:2020

ISO 29470:2020

Name: ISO 29470:2020 — Thermal insulating products for building applications — Determination of the apparent density
SKU: ISO 29470:2020
Price: 25 EUR
Availability: InStock

Thermal insulating products for building applications — Determination of the apparent density

Название (английский):

ISO 29470:2020

Thermal insulating products for building applications — Determination of the apparent density

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 4
Дата публикации:: 17 июня 2020 г.
Издание:: ISO IS 29470 edition 2 version 1
ICS:: 91.100.60

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Описание (английский):

This document specifies the equipment and procedures for determining the apparent overall density and the apparent core density under reference conditions. This document is applicable to full size thermal insulating products and test specimens. This document can also be applied to the individual layers of multi‑layered products.

Abstract

Overview

ISO 29470:2020 is an international standard developed by the International Organization for Standardization (ISO) that specifies the equipment, procedures, and conditions for determining the apparent density of thermal insulating products used in building applications. This standard is essential for assessing both the apparent overall density and the apparent core density of full-size thermal insulation products as well as individual layers within multi-layered products.

Key Topics

Scope and Applicability
ISO 29470:2020 applies to full-sized thermal insulating products and test specimens, including each layer of multi-layered insulation materials. It covers the determination of both apparent overall density (including surface skins) and apparent core density (excluding surface skins and coatings).
Test Specimen Preparation and Conditioning
Test specimens must maintain the product’s original structure and preferably be full-size or representative pieces. Specimens require conditioning under controlled temperature and humidity (typically 23 ± 2 °C and 50 ± 5 % relative humidity) until a constant mass is reached, ensuring consistent test results.
Measurement Procedure
The apparent density is calculated as the ratio of mass to volume. Linear dimensions are measured precisely using the referenced ISO methods (ISO 29465, ISO 29466, ISO 29768), and mass is determined with balances accurate to 0.5%. Removal of any facings or coatings is mandatory when determining core density, and their mass contributions are accounted for as needed.
Test Conditions and Reporting
Testing under standardized conditions ensures comparability of results worldwide. Reports must include detailed product identification, test conditions, specimen details, deviations, and all individual and average density results to ensure transparency and traceability.

Applications

ISO 29470:2020 is valuable for:

Manufacturers - To perform quality control checks ensuring product consistency and verifying compliance with specifications.
Certification Bodies - To assess and certify thermal insulating products for building codes and energy efficiency programs.
Building Designers and Engineers - To select appropriate insulation materials based on precise density data impacting thermal resistance and mechanical properties.
Research and Development - For the development of new materials and multi-layer products by accurately determining the core and overall density characteristics.
Regulatory Compliance - Supporting adherence to energy efficiency regulations and standards related to building insulation.

By providing reliable data on apparent density, the standard plays a crucial role in improving building energy performance and ensuring sustainable construction.

Related Standards

ISO 29470:2020 references and complements other ISO standards essential for thermal insulation testing, including:

ISO 29465 - Thermal insulating products for building applications - Determination of length and width
Specifies methods for measuring the linear dimensions of insulation products.
ISO 29466 - Thermal insulating products for building applications - Determination of thickness
Defines procedures to accurately measure the thickness of insulation materials.
ISO 29768 - Thermal insulating products for building applications - Determination of linear dimensions of test specimens
Provides guidelines for measuring the dimensions of samples used in thermal insulation testing.

Together, these standards ensure comprehensive testing of thermal insulating materials, fostering accuracy and uniformity in assessing material properties.

Keywords: ISO 29470:2020, apparent density, thermal insulating products, building insulation, test procedure, apparent overall density, apparent core density, insulation test methods, thermal performance, product conditioning, quality control, building applications, standardization.