ASTM D5551 - 95(2012)

    Standard Test Method for Determination of the Cloud Point of Oil

    Active Standard ASTM D5551 | Developed by Subcommittee: D31.08

    Book of Standards Volume: 15.04


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    ASTM D5551

    Significance and Use

    This test method is intended to determine the cloud point of oils used in the softening and stuffing of leather, as well as those used in the manufacture of products for such purpose. The cloud point of oils is measured for the purpose of quality assurance.

    1. Scope

    1.1 This test method covers the determination of the cloud point of oils used in the softening and stuffing of leather and in the manufacture of fat liquors and other softening and stuffing compounds. This test method was derived from Test Methods D97 and D2500.

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

    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.


    Note—All dimensions in millimetres.

    FIG. 1 Apparatus for Cloud Point Test


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D97 Test Method for Pour Point of Petroleum Products

    D2500 Test Method for Cloud Point of Petroleum Products

    E1 Specification for ASTM Liquid-in-Glass Thermometers


    ICS Code

    ICS Number Code 75.080 (Petroleum products in general)

    UNSPSC Code

    UNSPSC Code 60105800(Clothing and textile design instructional materials)


    DOI: 10.1520/D5551-95R12

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