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适用范围：<p>The tendency of oils to foam can be a serious problem in systems such as high-speed gearing, high-volume pumping, and splash lubrication. Inadequate lubrication, cavitation, and overflow loss of lubricant can lead to mechanical failure. This test method is used in the evaluation of oils for such operating conditions.</p><p id="s00002">1.1 This test method covers the determination of the foaming characteristics of lubricating oils at 24<span class=''unicode''>x00B0;</span>C and 93.5<span class=''unicode''>x00B0;</span>C. Means of empirically rating the foaming tendency and the stability of the foam are described.</p> <p>1.2 <span class="bold">WARNING</span><char: emdash>Mercury has been designated by many regulatory agencies as a hazardous material that can cause central nervous system, kidney and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Material Safety Data Sheet (MSDS) for details and EPA<span class=''unicode''>x2019;</span>s website<char: emdash>http://www.epa.gov/mercury/faq.htm<char: emdash>for additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country may be prohibited by law.</p> <p id="s00003">1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.</p> <p id="s00004">1.4 <span class="italic">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. <span class="med">For specific warning statements, see Sections 7, 8, and 9.1.1.</span>