ASTM D1243-95(2000)e1

    Standard Test Method for Dilute Solution Viscosity of Vinyl Chloride Polymers


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    1. Scope

    1.1 This test method covers the determination of the dilute solution viscosity of vinyl chloride polymers in cyclohexanone. The viscosity is expressed in terms of inherent viscosity (logarithmic viscosity number). The test method is limited to those materials that give clear, uniform solutions at the test dilution.

    Note 1--Other expressions for viscosity may be used as described in the Appendix, but any change from the test method as specified shall be stated in the report.

    1.2 The values stated in SI units are to be regarded as the 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.

    Note 2--Although this test method and ISO 1628-2-1998 differ in approach or detail, data obtained by either are technically equivalent.


    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

    D445 Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)

    D446 Specifications and Operating Instructions for Glass Capillary Kinematic Viscometers

    D883 Terminology Relating to Plastics

    D1600 Terminology for Abbreviated Terms Relating to Plastics

    D1755 Specification for Poly(Vinyl Chloride) Resins

    D2857 Practice for Dilute Solution Viscosity of Polymers

    E2251 Specification for Liquid-in-Glass ASTM Thermometers with Low-Hazard Precision Liquids

    ISO Standard

    ISO 1628-2 Determination of Viscosity Number and Limiting Viscosity NumberPart 2: Poly(Vinyl Chloride) Resins Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.

    National Institute of Standards and Technology Circular

    C-434 Testing of Glass Volumetric Apparatus


    ICS Code

    ICS Number Code 83.080.20 (Thermoplastic materials)

    UNSPSC Code

    UNSPSC Code 13102030(Polyvinyl Chloride PVC)


    Referencing This Standard
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    DOI: 10.1520/D1243-95R00E01

    Citation Format

    ASTM D1243-95(2000)e1, Standard Test Method for Dilute Solution Viscosity of Vinyl Chloride Polymers, ASTM International, West Conshohocken, PA, 2000, www.astm.org

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