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GB/T 5169.46-2020Fire hazard testing for electric and electronic products - Part 46: Test flames - Determination of the characteristic heat flux for ignition from a non-contacting flame source (English PDF)

电工电子产品着火危险试验第46部分：试验火焰非接触火焰源中起燃时特征热通量的测定

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

November 19, 2020

Implementation date

June 1, 2021

Scope

GB/T 5169.46-2020 is the English-translated version of 电工电子产品着火危险试验第46部分：试验火焰非接触火焰源中起燃时特征热通量的测定.

GB/T 5169.46-2020 is the Chinese standard "Fire hazard testing for electric and electronic products - Part 46: Test flames - Determination of the characteristic heat flux for ignition from a non-contacting flame source".

Its scope clause reads: This part of GB/T 5169 gives the materials used to determine when electrical and electronic products and their components ignite in a non-contact flame source: The characteristic heat flux (CHFI) test method gives the relationship between light-off time and incident heat flux: Samples used in this test method Taken from finished products or components: This part is intended for product committees to compile standards based on the principles specified in IEC Guide104 and ISO /IEC Guide51: One of the tasks of the product committee is to use this series of standards wherever applicable when writing its own standards: Unless relevant Standard specifically mentioned or listed does not apply, otherwise the requirements, test methods or test conditions of this section are applicable:. Its clauses include terms and definitions.

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Document preview — GB/T 5169.46-2020

National Standard of the People's Republic of China

ICS: 13.220.40; 29.020
Classification: K 04

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test principle
5 Instrument
6 Sample
7 Test conditions
8 Test procedure
9 Evaluation of test results
10 Test report
Appendix B (informative appendix) Examples of ignition time for different materials with a thickness of 3mm
Appendix C (Normative Appendix) Precision Data

1 Scope

This part of GB/T 5169 gives the materials used to determine when electrical and electronic products and their components ignite in a non-contact flame source:

The characteristic heat flux (CHFI) test method gives the relationship between light-off time and incident heat flux: Samples used in this test method

Taken from finished products or components:

This part is intended for product committees to compile standards based on the principles specified in IEC Guide104 and ISO /IEC Guide51:

One of the tasks of the product committee is to use this series of standards wherever applicable when writing its own standards: Unless relevant

Standard specifically mentioned or listed does not apply, otherwise the requirements, test methods or test conditions of this section are applicable:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article

Pieces: For undated references, the latest version (including all amendments) applies to this document:

ISO 291 Plastics-Standardatmospheresforconditioning andtesting)

ISO 293 Plastics-Compression molding of test specimens (Plastics-Compression molding of test specimens) ofthermoplasticmaterials)

ISO 294 (all parts) Preparation of injection molding test specimens of plastic thermoplastic materials (Plastics-Injection molding of testspecimensofthermoplasticmaterials)

ISO 295 Plastics-Compression molding of test specimens of plastic thermosetting plastics (Plastics-Compression molding of test specimens of thermosettingmaterials)

ISO 13943:2008 Firesafety-Vocabulary

ISO 14934-4:2014 Calibration of heat flux meters in fire tests Part 4: Guidelines for the use of heat flux meters in fire tests (Firetests-Calibrationofheatfluxmeters-Part 4: Guidanceontheuseofheatfluxmetersinfire tests)

ISO /IEC Guide51:1999 Safety aspects-Guidelinesfor theirinclusioninstandards)

IEC 60695-11-4 Fire hazard test Part 11-4: Test flame 50W flame device and confirmation test method (Firehazardtesting-Part 11-4:Testflames-50Wflame-Apparatusandconfirmationaltestmeth- od)

The compilation of IEC Guide104 safety publications and the application guidelines for basic safety publications and multi-professional public safety publications (The preparationofsafetypublicationsandtheuseofbasicsafetypublicationsandgroupsafetypublica- tions)

3 Terms and definitions

The terms and definitions defined in ISO 13943:2008 and the following apply to this document: For ease of use, the following is repeated

GB/T 5169.19 | GB/T 5169.16 | GB/T 5169.21 | GB/Z 5169.48 | GB/T 5169.49 | GB/T 5169.47 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 37 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 291 · ISO 293 · ISO 294 · ISO 295 · ISO 13943 · ISO 14934 · IEC 60695

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