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Significance and Use
Each steel rolling mill and operation is particular as to the degree of stability of dispersion required to effect maximum efficiency of lubrication and cooling. This test method is designed to differentiate between coolants for this use. A similar situation is encountered with aluminum rolling mills, but significant differences in designated settling times be required outside the parameter of times used herein. Precision data have only been obtained relative to metastable dispersions for steel mill rolling oils.
1.1 This test method covers determination of the dispersion stability of dispersions of rolling oils in water. It is applicable to oils whose water dispersions are stable under moderate agitation, but which show at least some separation upon standing quiescent for ½ h, by rising of the oil particles.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 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 specific warning statements, see 6.2, A2.1, and A2.5.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1126 Test Method for Hardness in Water
D1293 Test Methods for pH of Water
ICS Number Code 75.100 (Lubricants, industrial oils and related products)
UNSPSC Code 15120000(Lubricants and oils and greases and anti corrosives)