Standard Historical Last Updated: Feb 10, 2016 Track Document
ASTM D4898-90(2010)e1

Standard Test Method for Insoluble Contamination of Hydraulic Fluids by Gravimetric Analysis

Standard Test Method for Insoluble Contamination of Hydraulic Fluids by Gravimetric Analysis D4898-90R10E01 ASTM|D4898-90R10E01|en-US Standard Test Method for Insoluble Contamination of Hydraulic Fluids by Gravimetric Analysis Standard new BOS Vol. 05.02 Committee D02
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Significance and Use

This test method indicates and measures the amount of insoluble contamination of hydraulic fluids. Minimizing the levels of insoluble contamination of hydraulic fluids is essential for the satisfactory performance and long life of the equipment. Insoluble contamination can not only plug filters but can damage functional system components resulting in wear and eventual system failure.

Scope

1.1 This test method covers the determination of insoluble contamination in hydraulic fluids by gravimetric analyses. The contamination determined includes both particulate and gel-like matter, organic and inorganic, which is retained on a membrane filter disk of pore diameter as required by applicable specifications (usually 0.45 μm or 0.80 μm).

1.2 To indicate the nature and distribution of the particulate contamination, the gravimetric method should be supplemented by occasional particle counts of typical samples in accordance with Test Method F312.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For a specific warning statement, see 6.1.

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Details
Book of Standards Volume: 05.02
Developed by Subcommittee: D02.N0.02
Pages: 3
DOI: 10.1520/D4898-90R10E01
ICS Code: 75.120