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HG/T 2439-2011Falling ball rebound testers - Technical specifications (English PDF)

落球回弹测定仪技术条件

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

December 20, 2011

Implementation date

July 1, 2012

Scope

HG/T 2439-2011 is the English-translated version of 落球回弹测定仪技术条件.

HG/T 2439-2011 is the recommended Chinese chemical industry standard for falling ball rebound testers. It gives the working principle and the main structure of the instrument, together with the requirements, the test methods, the inspection rules and the rules for marking, packaging, transport and storage. Testers of this type determine the resilience, expressed as ball rebound rate, of flexible cellular polymeric materials, and the same determination may be made on vulcanized rubber. HG/T 2382 is cited as a normative reference. The standard supersedes HG/T 2439-1993, which it revises. Issued on 20 December 2011, it has applied since 1 July 2012.

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Document preview — HG/T 2439-2011

National Standard of the People's Republic of China

ICS: 71.120
Replacing: HG/T 2439-1993

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

2 Normative references

2 Normative references

HG/T 2439-2011 cites the following standards, which apply in full or in part through the references made to them in its clauses.

HG/T 2382

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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

HG/T 2382General technical requirements for rubber testing instruments and equipment

Similar standards

JB/T 7410-2010|JB/T 7410-1994

Editions of HG/T 2439

Edition	Title	Revision	Status
HG/T 2439-2011	Falling ball rebound testers - Technical specifications	current edition	Current
HG/T 2439-1993	Falling ball rebound testers - Technical specifications	previous edition	Superseded

This page sells the current edition, HG/T 2439-2011. Earlier editions are listed for reference only.

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