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ASTM D1978-91(2024)

Standard Guide for Analysis of Electrocoat Bath Samples

Standard Guide for Analysis of Electrocoat Bath Samples D1978-91R24 ASTM|D1978-91R24|en-US Standard Guide for Analysis of Electrocoat Bath Samples Standard new BOS Vol. 06.01 Committee D01
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Significance and Use

3.1 This guide indicates test procedures recommended for the maintenance of acceptable performance of the paint in an electrocoating bath. Several critical parameters must be determined throughout the operation of the bath. These parameters must be adjusted when deviations from the norm occur.

3.2 The test methods for electrocoat baths are unique, as the aqueous samples have a nonvolatile content between 8 % and 25 %. Constant agitation must be present when the samples are taken and during the measurement of some of the parameters.

Scope

1.1 This guide covers the selection of test methods for determination of the important parameters that affect the performance of electrocoating paints.

1.2 The test methods involved are D4370, D4399, D4584, and D5145.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Details
Book of Standards Volume: 06.01
Developed by Subcommittee: D01.21
Pages: 2
DOI: 10.1520/D1978-91R24
ICS Code: 25.220.20