ASTM D3012-07

    Standard Test Method for Thermal-Oxidative Stability of Polypropylene Using a Specimen Rotator Within an Oven


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    1. Scope

    1.1 This test method provides a means for estimating the resistance of polypropylene, in molded form, to accelerated aging by heat in the presence of air using a forced draft oven.

    1.2 The stability determined by this test method is not directly related to the suitability of the material for use when different environmental conditions prevail and shall not be used to predict performance.

    Note 1

    The specified thermal levels in this test method are considered sufficiently severe to cause failure of commercial grades of heat-stable polypropylene within a reasonable period of time. If desired, lower temperatures can be applied to estimate the performance of polypropylene with lower heat stabilities.

    1.3 The values stated in SI units are to be regarded as the standard. The values in brackets 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.

    Note 2

    This test method and ISO 4577-1983 are technically similar but different in preparation of test specimens, thickness of test specimen, measurement of the number of air flow changes in the ovens, and the number of air changes per hour required.

    1.4 The purpose of this appendix is to provide a secondary method for determining the number of air exchanges that occur within the forced draft oven used for measurement of thermal oxidative stability.


    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

    D618 Practice for Conditioning Plastics for Testing

    D883 Terminology Relating to Plastics

    D3641 Practice for Injection Molding Test Specimens of Thermoplastic Molding and Extrusion Materials

    D4101 Classification System and Basis for Specification for Polypropylene Injection and Extrusion Materials

    D5374 Test Methods for Forced-Convection Laboratory Ovens for Evaluation of Electrical Insulation

    E77 Test Method for Inspection and Verification of Thermometers

    E220 Test Method for Calibration of Thermocouples By Comparison Techniques

    E456 Terminology Relating to Quality and Statistics

    E608/E608M Specification for Mineral-Insulated, Metal-Sheathed Base Metal Thermocouples

    E644 Test Methods for Testing Industrial Resistance Thermometers

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

    E1137/E1137M Specification for Industrial Platinum Resistance Thermometers

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

    E2935 Practice for Conducting Equivalence Testing in Laboratory Applications


    ICS Code

    ICS Number Code 83.080.20 (Thermoplastic materials)

    UNSPSC Code

    UNSPSC Code 13102022(Polypropylene PP)


    Referencing This Standard
    Link Here
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    DOI: 10.1520/D3012-07

    Citation Format

    ASTM D3012-07, Standard Test Method for Thermal-Oxidative Stability of Polypropylene Using a Specimen Rotator Within an Oven, ASTM International, West Conshohocken, PA, 2007, www.astm.org

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