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ISO/TS 23657:2022

Reaction to fire test for sandwich panel building systems — Intermediate-scale box test ISO/TS 23657:2022

Publication date:   Dec 7, 2022

General information

90.92   Standard to be revised   May 11, 2026

ISO

ISO/TC 92/SC 1 Fire initiation and growth

Technical Specification

13.220.50   Fire-resistance of building materials and elements

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Published

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO/TS 23657:2022
90.92 Standard to be revised
May 11, 2026

REVISED BY

IN_DEVELOPMENT
ISO/AWI TS 23657




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