JIS T 8024:2009

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Clothing for protection against heat and flame – Determination of heat transmission on exposure to both flame and radiant heat

Published By	Publication Date	Number of Pages
JIS	2009-07-25	30

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Category: JIS

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Description

This Standard specifies a test method for measuring the heat-transfer of horizontally mounted flame-resistant textile materials when exposed to a combination of convective and radiant energy.

NOTE 1 This test method may not correlate to the heat-insulative performance of vertically oriented flame-resistant textile materials when exposed to convective and radiant heat energy or used in actual clothing configurations.

This test method can be used for any type of sheet material used either as a single layer or in a multilayer construction when all structures or sub-assemblies are made of flame-resistant materials.

It is not intended to be used on materials that are not flame resistant.

This test method is not intended for evaluating materials exposed to any other type of thermal-energy sources, such as radiant heat only or flame contact only.

Use JIS T 8020 when evaluating heat-transfer through materials due to radiant heat only and use JIS T 8021 when evaluating heat-transfer through materials due to flame contact only.

This test method may not identify textile materials that can ignite and continue to burn after exposure to convective and radiant energy.

This Standard should be used to measure and describe the properties of materials, products or assemblies in response to both convective and radiant energy under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products or assemblies under actual fire conditions.

However, the results of this test method may be used as elements of a fire-risk assessment which takes into account all of the factors which are pertinent to an assessment of the fire hazard of a particular end-use.

NOTE 2 The International Standard corresponding to this Standard is as follows.

ISO 17492:2003 Clothing for protection against heat and flame- Determination of heat transmission on exposure to both flame and 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.

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