Standard Active Last Updated: Feb 15, 2021 Track Document
ASTM D876-21

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

Standard Test Methods for Nonrigid Vinyl Chloride Polymer Tubing Used for Electrical Insulation D0876-21 ASTM|D0876-21|en-US Standard Test Methods for Nonrigid Vinyl Chloride Polymer Tubing Used for Electrical Insulation Standard new BOS Vol. 10.01 Committee D09
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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 2: Provision 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.


1.1 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 1: These 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:



ASTM Reference Standard

Brittleness Temperature

37 – 39


Corrosion Tests

68 – 79


Dielectric Breakdown Voltage at High Humidity

59 – 67


Dielectric Breakdown Voltage

52 – 58


Dimensional Tests

8 – 14


Effect of Elevated Temperatures

19 – 30


Flammability Test





Test Method A

Oil Resistance Test

29 – 36


Penetration Test

40 – 45





Strain Relief Test

62 – 67


Tension Test

16 – 18


Test Conditions



Volume Resistivity

46 – 51


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, health, and environmental 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 Test Methods D8355.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Book of Standards Volume: 10.01
Developed by Subcommittee: D09.07
Pages: 12
DOI: 10.1520/D0876-21
ICS Code: 29.035.20