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Normas ASTM – AENOR
ASTM D3342-90(2006)

ASTM D3342-90(2006)

Standard Test Method for Dispersion Stability of New (Unused) Rolling Oil Dispersions in Water

Fecha:
2012-04-30 /Historical
Superseeded by:
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.

Scope:

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 1/2 h, by rising of the oil particles.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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 hazard statements, see , , and .

Keywords:
coolant; dispersion stability; emulsion; rolling oil
44,8
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