ASTM D876 - 13

    Standard Test Methods for Nonrigid Vinyl Chloride Polymer Tubing Used for Electrical Insulation

    Active Standard ASTM D876 | Developed by Subcommittee: D09.07

    Book of Standards Volume: 10.01


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    Significance and Use

    4.1 These test methods include most of the test methods that are considered important to characterize nonrigid vinyl chloride polymer tubing. While they were developed initially for this type of extruded tubing, their use is not limited to this type of tubing.

    4.2 Variations in these test methods or alternate contemporary methods are acceptable for use determine the values for the properties in this standard provided such methods ensure quality levels and measurement accuracy equal to or better than those prescribed herein. It is the responsibility of the organizations using alternate test methods to be able to demonstrate this condition. In cases of dispute, the test methods specified herein shall be used.

    Note 2Provision for alternate methods is necessary because of (1) the desire to simplify procedures for specific applications without altering the result, and (2) the desire to eliminate redundant testing and use data generated during manufacturing process control, including that generated under Statistical Process Control (SPC) conditions, using equipment and methods other than those specified herein. An example would be the use of laser micrometers or optical comparators to measure dimensions.

    1. Scope

    1.1 These test methods cover the testing of general-purpose (Grade A), low-temperature (Grade B), and high-temperature (Grade C)2 nonrigid vinyl chloride polymer tubing, or its copolymers with other materials, for use as electrical insulation. For the purpose of these test methods nonrigid tubing shall be tubing having an initial elongation in excess of 100 % at break.

    Note 1These test methods are similar but not identical to those in IEC 60684–2.

    1.2 The values stated in inch-pound units are to be regarded as standard, except for temperature, which shall be expressed in degrees Celsius. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.3 The procedures appear in the following sections:


    Procedure


    Section

    ASTM Reference Standard

    Brittleness Temperature

    43 – 45

    D746

    Corrosion Tests

    74 – 85

     D1000

    Dielectric Breakdown Voltage at High Humidity

    65 – 73

    E104

    Dielectric Breakdown Voltage

    58 – 64

    D149

    Dimensional Tests

    8 – 14

    D374

    Effect of Elevated Temperatures

    25 – 36

    D412

    Flammability Test

    15 – 21

     

    Oil Resistance Test

    35 – 42

    D471

    Penetration Test

    46 – 51

     

    Sampling

    6

     

    Strain Relief Test

    68 – 73

     

    Tension Test

    22 – 24

    D412

    Test Conditions

    7

     

    Volume Resistivity

    52 – 57

    D257


    1.4 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 Section 5.

    1.5 For fire test caveats, see Section 15.


    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

    D149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies

    D257 Test Methods for DC Resistance or Conductance of Insulating Materials

    D374 Test Methods for Thickness of Solid Electrical Insulation

    D412 Test Methods for Vulcanized Rubber and Thermoplastic Elastomers--Tension

    D471 Test Method for Rubber Property--Effect of Liquids

    D746 Test Method for Brittleness Temperature of Plastics and Elastomers by Impact

    D1000 Test Methods for Pressure-Sensitive Adhesive-Coated Tapes Used for Electrical and Electronic Applications

    D1711 Terminology Relating to Electrical Insulation

    D5032 Practice for Maintaining Constant Relative Humidity by Means of Aqueous Glycerin Solutions

    E104 Practice for Maintaining Constant Relative Humidity by Means of Aqueous Solutions

    E176 Terminology of Fire Standards

    IEC Standards


    ICS Code

    ICS Number Code 29.035.20 (Plastic and rubber insulating materials)

    UNSPSC Code

    UNSPSC Code 13102030(Polyvinyl Chloride PVC)


    DOI: 10.1520/D0876

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