ASTM-D2633 Standard Test Methods for Thermoplastic Insulations and Jackets for Wire and Cable

ASTM-D2633 - 2020 EDITION - CURRENT
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Standard Test Methods for Thermoplastic Insulations and Jackets for Wire and Cable
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Scope

1.1 These test methods cover procedures for the testing of thermoplastic insulations and jackets used on insulated wire and cable. To determine the test to be made on the particular insulation or jacket compound, refer to the product specification for that type. These test methods do not apply to the class of products known as flexible cords. The electrical tests on insulation and water-absorption tests do not apply to the class of products having a separator between the conductor and the insulation.

1.2 These test methods pertain to insulation or jacket material for electrical wires and cables. In many instances the insulation or jacket material cannot be tested unless it has been formed around a conductor or cable. Therefore, tests are done on insulated or jacketed wire or cable in these test methods solely to determine the relevant property of the insulation or jacket material and not to test the conductor or completed cable.

1.3 Whenever two sets of values are stated, in different units, the values in the first set are regarded as standard, while the values in parentheses are provided for information only and are not considered standard.

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 hazards see Sections 4 and 63.

1.5 The test methods appear in the following sections:

 

Test Method

Section(s)

 

 

 

 

 

 

Cold Bend Test

80 to 82

 

 

Dielectric Strength Retention Test

45 to 51

 

 

Electrical Tests of Insulation

17 to 29

 

 

Heat Distortion Test

79

 

 

Heat Shock Test

78

 

 

Insulation Resistance Test

30 to 37

 

 

Partial-discharge Extinction Level Test

38 to 44

 

 

Test Method

 

 

 

 

 

 

 

Physical Tests of Insulation and Jackets

5 to 16

 

 

Surface Resistivity Test

69 to 72

 

 

Thermal Tests

77 to 82

 

 

Track Resistance Test

83 to 86

 

 

U-bend Discharge Test

73 to 76

 

 

Vertical Flame Test

63

 

 

Water Absorption Tests, Accelerated

52 to 62

 

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.

Significance and Use

6.1 Physical tests, properly interpreted, provide information with regard to the physical properties of the insulation or jacket. The physical test values give an approximation of how the insulation will physically perform in its service life. Physical tests provide useful data for research and development, engineering design, quality control, and acceptance or rejection under specifications.

Keywords

accelerated water absorption; cold bend test; dielectric strength retention; elongation; heat aging; heat distortion; heat shock; insulation resistance; oil immersion; partial discharge extinction level; surface resistivity; tensile strength; thermoplastic insulation; thermoplastic jacket; thickness; track resistance; U-bend discharge; vertical flame test; voltage withstand tests;

To find similar documents by ASTM Volume:

10.02 (Electrical Insulation (II): D2518 - latest)

To find similar documents by classification:

29.035.20 (Plastics and rubber insulating materials Including adhesive tapes)

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Document Number

ASTM-D2633-20

Revision Level

2020 EDITION

Status

Current

Modification Type

Revision

Publication Date

Nov. 18, 2020

Document Type

Test Method

Page Count

15 pages

Committee Number

D09.07