GB/T 2423.54-2022Environmental testing—Part 2: Test methods—Test Xc: Fluid contamination (English PDF)

Foreword

This Part is a part of GB/T 2423 "Environmental testing for electric and electronic

products". This Part identically adopts IEC 60068-2-74.1999 "Environmental testing -

Part 2.Tests - Test Xc. Fluid contamination" (English version).

The technical content of this Part is same with IEC 60068-2-74.1999 "Environmental

testing - Part 2.Tests - Test Xc. Fluid contamination" (English version). The writing

format and expression way are in accordance with relevant provisions of GB/T 1.1-

2000 and GB/T 20000.2-2001.

For ease of use, the following editorial modifications are made to this Part of IEC

60068-2-74.1999.

a) to be consistent with the names of GB/T 2423 standards, this Part uses the Chinese

translation of the name of IEC 60068-2-74.1999, that is, "Environmental testing

for electric and electronic products - Part 2.Test methods - Test Xc. Fluid

contamination";

b) deleted the foreword of IEC 60068-2-74.1999.

Annex A of this Part is informative.

This Part was proposed by Ministry of Information Industry of the People's Republic

of China.

This Part shall be under the jurisdiction of National Technical Committee on Electrical

and Electronic Products Environmental Technology of Standardization Administration

of China.

The drafting organizations of this Part. The Fifth Electronic Research Institute of the

Ministry of Information Industry.

Main drafters of this Part. Wang Zhong, Wang Xiaohan, Li Zhangpei.

Environmental testing for electric and electronic products -

Part 2.Test methods - Test Xc. Fluid contamination

1 Scope

This Part of GB/T 2423 gives a method of test which provides a standard procedure to

determine the ability of components, equipment or their constituent materials,

hereinafter referred to as specimen, to withstand accidental contact with fluids, without

being unacceptably affected.

The fluids listed in Part are representative of those commonly encountered in

operational applications. It is not intended that a specimen should be exposed to all, or

even any of them. Nor is the list intended to be complete; fluids not listed and for which

a test is appropriate should be included in the relevant specification. Guidance is given

in annex A on the choice of test fluids, specimens and severities.

These tests are not intended to demonstrate the suitability of components or equipment

to perform in continuous contact with a fluid, e.g., an immersed fuel pump. Nor are

they a test to demonstrate immunity from electrolytic corrosion.

2 Normative references

The following normative documents contain provisions which, through reference in this

text, constitute provisions of this part of GB/T 2423.For dated references, subsequent

amendments to, or revisions of, any of these publications do not apply. However, parties

to agreements based on this Part are encouraged to investigate the possibility of

applying the most recent editions of the normative documents indicated below. For

undated references, the latest edition of the normative document referred to applies.

ISO 1817.1985, Rubber, vulcanized - Determination of the effect of liquids

3 Test fluid