HG/T 2579-2008: Rubber Compounds of O-Rings used for Hydraulic fluid power System

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Scope

This standard specifies the classification, requirements, test methods,
inspection rules, marking, packaging, storage of rubber compounds of O-ring,
for oil-based hydraulic oil and lubricating oil (grease), in ordinary hydraulic
systems.
This standard applies to rubber compounds of O-ring, for oil-based hydraulic oil
and lubricating oil (grease), in ordinary hydraulic systems, in a working
temperature range of -40 °C ~ +100 °C and -25 °C ~ +125 °C, respectively.
Note: This standard only specifies the material requirements for rubber compounds of
O-ring. It does not involve the size and appearance requirements of rubber compounds
of O-ring. The size and tolerance of the O-ring should be selected, according to the
actual situation, from GB/T 3452.1 "Fluid power systems - O-rings - Part 1: Inside
diameters, cross-sections, tolerances and size identification code". The appearance
quality requirements of the O-ring should meet the relevant requirements of GB/T
3452.2 "Fluid power systems - O-rings - Part 2: Quality acceptance criteria".

Basic Data

Standard ID	HG/T 2579-2008 (HG/T2579-2008)
Description (Translated English)	Rubber Compounds of O-Rings used for Hydraulic fluid power System
Sector / Industry	Chemical Industry Standard (Recommended)
Classification of Chinese Standard	G43
Classification of International Standard	83.140.50
Word Count Estimation	8,855
Date of Issue	2008-04-23
Date of Implementation	2008-10-01
Older Standard (superseded by this standard)	HG/T 2579-1994
Quoted Standard	GB/T 528-1998; GB/T 531-1999; GB/T 1682-1994; GB/T 1690-1992; GB/T 3512-2001; GB/T 5720-1993; GB/T 6031-1998; GB/T 7759
Regulation (derived from)	NDRC Notice No. 28 of 2008
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the general resistance to petroleum-based hydraulic oil hydraulic systems and lubricants (grease) with a rubber O- ring material classification, requirements, test methods, inspection rules and labeling, packaging and storage. This standard applies to ordinary hydraulic system resistant to petroleum oil and lubricants (grease), operating temperature ranges of -40��C ~ +100��C and -25��C ~ +12��C rubber O- ring material.