Valid

GB/T 5169.20-2021Fire hazard testing for electric and electronic products - Part 20: Surface spread of flame. Summary and relevance of test methods (English PDF)

Preview PDF

This is a limited preview

Buy now to download the full PDF (44 pages)

Need quotation for your management?

Get a formal quotation for GB/T 5169.20-2021 in 30 minutes.

Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 11, 2021

Implementation date

May 1, 2022

Scope

GB/T 5169.20-2021 (Fire hazard testing for electric and electronic products - Part 20: Surface spread of flame. Summary and relevance of test methods) is available as an English-translated PDF.

GB/T 5169.20-2021 is the Chinese standard "Fire hazard testing for electric and electronic products - Part 20: Surface spread of flame. Summary and relevance of test methods".

Its scope clause reads: This document describes an overview of various test methods used to determine the spread of flame on the surface of electrical and electronic products or the materials used in them.

The test methods given in this document represent the current state of the art, and where appropriate, the relevance and use of these test methods are explained.

Special Instructions. This document cannot replace those standards that have been published and serve as the only valid reference documents. This document is intended for product committees to prepare standards based on the principles specified in IEC Guide104 and ISO /IEC Guide51. use.

One of the tasks of the Product Committee is to use this series of standards wherever applicable when compiling standards in this field. Unless relevant The standard specifically mentions or lists not applicable, otherwise the requirements, test methods or test conditions of this document will apply. Its clauses include terms and definitions.

Found what you need?

Document preview — GB/T 5169.20-2021

National Standard of the People's Republic of China

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 Summary of the test method
4.1 Small-scale and medium-scale combustion test
4.2 Large-scale combustion test
Appendix A (informative) ISO 5658-2 repeatability and reproducibility data
Appendix B (informative) ISO 5658-4 repeatability and reproducibility data
Appendix C (informative) NFPA262 repeatability and reproducibility data

1 Scope

This document describes an overview of various test methods used to determine the spread of flame on the surface of electrical and electronic products or the materials used in them.

The test methods given in this document represent the current state of the art, and where appropriate, the relevance and use of these test methods are explained.

Special Instructions.

This document cannot replace those standards that have been published and serve as the only valid reference documents.

This document is intended for product committees to prepare standards based on the principles specified in IEC Guide104 and ISO /IEC Guide51.

use.

One of the tasks of the Product Committee is to use this series of standards wherever applicable when compiling standards in this field. Unless relevant

The standard specifically mentions or lists not applicable, otherwise the requirements, test methods or test conditions of this document will apply.

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations

Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to

This document.

ISO 13943.2008 Firesafety-Vocabulary

IEC 60695-4 Fire hazard test Part 4.Terminology for fire test of electrical products (Firehazardtesting-Part 4.

Terminologyconcerningfiretestsforelectrotechnicalproducts)

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

ISO /IEC Guide51 Safety aspects-Guidelinesfortheir inclusioninstandards)

3 Terms and definitions

The following terms and definitions defined by ISO 13943.2008 and IEC 60695-4 apply to this document.

3.1 Burnedlength

The maximum length of the overfire area in a specific direction.

Note. Its representative unit is meter (m).

Reference. Damaged length (3.6)

[Source. ISO 13943.2008,4.31]

3.2 Char (noun)

Carbon residue formed by pyrolysis (3.26) or incomplete combustion (3.5).

[Source. ISO 13943.2008, 4.38]

GB/T 5169.19 | GB/T 5169.16 | GB/T 5169.21 | GB/T 5169.23 | GB/T 5169.13 | GB/T 5169.12 | […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 44 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 13943.2008 · IEC 60695

How to Download GB/T 5169.20-2021

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.