ISO/TS 23657:2022
Reaction to fire test for sandwich panel building systems — Intermediate-scale box test
This document specifies a method of testing the reaction-to-fire properties of an intermediate-scale, box-shaped structure made up of sandwich panels. This test method is a screening method intended for use by producers to reduce the burden of testing in ISO 13784-1, especially with respect to the occurrence of flashover.
This test method is not applicable to determining self-standing capability during fire, which is instead examined using ISO 13784-1 or ISO 13784-2.
This method is not intended to evaluate the reaction-to-fire performance of facades, or the fire resistance of a product, which can be tested by other means.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Types of systems
5.1 General
5.2 Type A: frame-supported structures
5.3 Type B: free-standing structures
6 Test specimen
7 Test method
7.1 Constructing the test specimen (box-shaped)
7.2 Constructing the enclosure around the test specimen
7.2.1 General
7.2.2 The walls and ceiling of the enclosure
7.2.3 The floor of the enclosure
8 Ignition source
8.1 Structure
8.2 Position
8.3 Burner power output
9 Instrumentation
9.1 Thermocouples
9.2 Additional equipment
9.2.1 Data recorder
9.2.2 Timing device
9.2.3 Heat and smoke release measurement
10 Test procedure
10.1 Initial conditions
10.2 Test
11 Precision
12 Test report
Annex A (informative) Examples of specimen drawings
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Types of systems
5.1 General
5.2 Type A: frame-supported structures
5.3 Type B: free-standing structures
6 Test specimen
7 Test method
7.1 Constructing the test specimen (box-shaped)
7.2 Constructing the enclosure around the test specimen
7.2.1 General
7.2.2 The walls and ceiling of the enclosure
7.2.3 The floor of the enclosure
8 Ignition source
8.1 Structure
8.2 Position
8.3 Burner power output
9 Instrumentation
9.1 Thermocouples
9.2 Additional equipment
9.2.1 Data recorder
9.2.2 Timing device
9.2.3 Heat and smoke release measurement
10 Test procedure
10.1 Initial conditions
10.2 Test
11 Precision
12 Test report
Annex A (informative) Examples of specimen drawings
Bibliography