JIS T 8020:2020

$25.35

Protective clothing — Protection against heat and fire — Method of test: Evaluation of materials and material assemblies when exposed to a source of radiant heat

Published By	Publication Date	Number of Pages
JIS	2020-03-25	23

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Category: JIS

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Description

This Standard specifies two complementary methods (Method A and Method B) for determining the behaviour of materials used for protective clothing against heat and fire subjected to heat radiation.

These tests are carried out on representative single or multi-layer textiles or other materials intended for clothing for protection against radiant heat.

They are also applicable to assemblies, which correspond to the overall build up of a heat protective clothing assembly with or without underclothing.

Method A serves for visual assessment of any changes in the material after the action of heat radiation.

With Method B the protective effect of the materials is determined.

The materials may be tested either by both methods or only by one of them.

The tests according to these two methods serve to classify materials; however, to be able to make a statement or prediction as to the suitability of a material for protective clothing, additional criteria shall be taken into account.

Since the tests are carried out at room temperature, the results do not necessarily correspond to the behaviour of the materials at higher ambient temperatures and therefore are only to a limited extent suitable for predicting the performance of the protective clothing made from the materials under test.

NOTE The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows.

ISO 6942 : 2002 Protective clothing — Protection against heat and fire — Method of test : Evaluation of materials and material assemblies when exposed to a source of radiant heat (MOD)

In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/IEC Guide 21-1.

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