ISO 22975-5:2019
Solar energy — Collector components and materials — Part 5: Insulation material durability and performance
This document specifies the requirements on insulation materials for solar collectors and test methods for durability and performance of insulation materials used in solar collectors.
This document is applicable to all types of insulation material used in solar collectors, such as rigid polyurethane foam (PU), phenolic foam (PF), mineral wool (MW) and mineral fibre.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General
4.2 For specific application
5 Test methods
5.1 Rigid polyurethane foam and phenolic foam
5.1.1 Standard atmospheres for conditioning and testing
5.1.2 Apparent density
5.1.3 Apparent volume percentage of open cells
5.1.4 Dimensional stability
5.1.5 Compression properties
5.1.6 Water absorption
5.1.7 Hygroscopic sorption properties
5.1.8 Water vapor transmission properties
5.1.9 Thermal resistance and thermal conductivity
5.1.10 Flammability
5.1.11 Accelerated aged value of thermal resistance
5.2 Mineral wool and mineral fibre
5.2.1 Dimension
5.2.2 Bulk density
5.2.3 Compression behaviour
5.2.4 Water absorption
5.2.5 Moisture content
5.2.6 Water vapor transmission properties
5.2.7 Thermal resistance and thermal conductivity
5.2.8 The maximum use temperature
5.2.9 Non-combustibility
5.3 Outgassing of insulation materials in solar flat-plate collectors
5.3.1 General
5.3.2 Apparatus
5.3.3 Sampling
5.3.4 Procedure
5.3.5 Analysis and criteria
Annex A (normative) Test report for insulation material
Annex B (informative) Requirements for specific application
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General
4.2 For specific application
5 Test methods
5.1 Rigid polyurethane foam and phenolic foam
5.1.1 Standard atmospheres for conditioning and testing
5.1.2 Apparent density
5.1.3 Apparent volume percentage of open cells
5.1.4 Dimensional stability
5.1.5 Compression properties
5.1.6 Water absorption
5.1.7 Hygroscopic sorption properties
5.1.8 Water vapor transmission properties
5.1.9 Thermal resistance and thermal conductivity
5.1.10 Flammability
5.1.11 Accelerated aged value of thermal resistance
5.2 Mineral wool and mineral fibre
5.2.1 Dimension
5.2.2 Bulk density
5.2.3 Compression behaviour
5.2.4 Water absorption
5.2.5 Moisture content
5.2.6 Water vapor transmission properties
5.2.7 Thermal resistance and thermal conductivity
5.2.8 The maximum use temperature
5.2.9 Non-combustibility
5.3 Outgassing of insulation materials in solar flat-plate collectors
5.3.1 General
5.3.2 Apparatus
5.3.3 Sampling
5.3.4 Procedure
5.3.5 Analysis and criteria
Annex A (normative) Test report for insulation material
Annex B (informative) Requirements for specific application
Bibliography