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GB/T 21352-2022Flame retardant steel cord conveyor belts used in underground mines (English PDF)

地下矿井用钢丝绳芯阻燃输送带

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 14, 2022

Implementation date

May 1, 2023

Scope

GB/T 21352-2022 is the English-translated version of 地下矿井用钢丝绳芯阻燃输送带.

GB/T 21352-2022 is the Chinese standard "Flame retardant steel cord conveyor belts used in underground mines". Its scope clause reads: This document specifies the structure, marking, technical requirements, test methods, inspection, Marking, packaging, storage and transportation.

This document applies to steel wire rope core flame retardant conveyor belts used in underground mines.

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Document preview — GB/T 21352-2022

National Standard of the People's Republic of China

ICS: 53.040.20
Classification: G 42
Replacing: GB/T 21352-2008

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and definitions

1 Scope

This document specifies the structure, marking, technical requirements, test methods, inspection,

Marking, packaging, storage and transportation.

This document applies to steel wire rope core flame retardant conveyor belts used in underground mines.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 528 Determination of Tensile Stress-Strain Properties of Vulcanized Rubber or Thermoplastic Rubber

GB/T 3512 Vulcanized rubber or thermoplastic rubber hot air accelerated aging and heat resistance test

GB/T 3684 Conveyor Belt Conductivity Specification and Test Method

GB/T 3685 Conveyor Belt Laboratory Scale Test Method for Combustion Characteristics

GB/T 5752 Conveyor Belt Marking

GB/T 5753 Determination method of total thickness and cover thickness of steel cord conveyor belt

GB/T 5754.2 Longitudinal Tensile Test of Steel Cord Conveyor Belt Part 2.Determination of Tensile Strength

GB/T 5755 Steel Cord Conveyor Belt Rope and Coating Adhesion Test in the original state and after heat aging

GB/T 5756 Conveyor Belt Terms and Definitions

GB/T 7986-2013 Conveyor belt roller friction test

GB/T 9770 General Purpose Steel Cord Conveyor Belt

GB/T 9867-2008 Determination of abrasion resistance of vulcanized rubber or thermoplastic rubber (rotating roller attrition machine method)

GB/T 17044 Steel Cord Conveyor Belt Covering Layer and Core Layer Bonding Strength Test

GB/T 33514 Determination of lateral and vertical displacement of steel wire rope core conveyor belt steel wire rope

GB/T 39813 Conveyor Belt Storage and Handling Guidelines

GB/T 39817 Conveyor belt propane burner medium-scale flammability test method

HG/T 2410 Conveyor Belt Sampling

ISO 20238.2018 Conveyorbelts-Drumfrictiontesting

The terms and definitions defined in GB/T 5756 and the following apply to this document.

3.1 afterflame

The burning of the flame persists after the fire source is removed.

3.2 Flameless burning glowing

Combustion that glows with heat (no flame).

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 20238:2018

Similar standards

GB/T 16412-2026|GB/T 20021-2026|GB/T 23677-2026|GB/T 33514-2026|GB/T 5756-2026|GB/T 10822-2014

Editions of GB/T 21352

Edition	Title	Revision	Status
GB/T 21352-2022	Flame retardant steel cord conveyor belts used in underground mines	current edition	Current
GB/T 21352-2008	Flame retardant steel cord conveyor belts used in underground mines	previous edition	Superseded

This page sells the current edition, GB/T 21352-2022. Earlier editions are listed for reference only.

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