ASTM D2633-08

Standard Test Methods for Thermoplastic Insulations and Jackets for Wire and Cable

STANDARD published on 15.5.2008

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The information about the standard:

Designation standards: ASTM D2633-08
Note: WITHDRAWN
Publication date standards: 15.5.2008
SKU: NS-20964
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM D2633-08 :

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, Accelerated aging/testing--insulation, Dielectric breakdown voltage, Electrical insulating plastics

Additional information

Significance and Use

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.

1. 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 presented, in different units, the values in the first set are the standard, while those in parentheses are for information only.

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 hazards see Sections 4 and 63.

1.5 The procedures appear in the following sections:

Procedure	Sections
Cold Bend Test	75 to 77
Dielectric Strength Retention Test	45 to 51
Electrical Tests of Insulation	17 to 29
Heat Distortion Test	74
Heat Shock Test	73
Insulation Resistance Test	30 to 37
Partial-Discharge Extinction Level Test	38 to 44
Physical Tests of Insulation and Jackets	5 to 16
Surface Resistivity Test	64 to 67
Thermal Tests	72 to 77
Track Resistance Test	78 to 81
U-Bend Discharge Test	68 to 71
Vertical Flame Test	63
Water Absorption Tests, Accelerated	52 to 62

2. Referenced Documents

E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
Federal Specification for Tape; Paper, Gummed (Kraft) (PPP-T-45D) Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
	Guide for Partial-Discharge Procedure Available from The Insulated Cable Engineers Association, Inc. (ICEA), P.O. Box 1568, Carrollton, GA 30112, http://www.icea.net.
D5025-20a	Standard Specification for Laboratory Burner Used for Small-Scale Burning Tests on Plastic Materials (Includes all amendments and changes 4/16/2020).
D5423-23	Standard Specification for Forced-Convection Laboratory Ovens for Evaluation of Electrical Insulation
D1248-25	Standard Specification for Polyethylene Plastics Extrusion Materials for Wire and Cable
D1711-26	Standard Terminology Relating to Electrical Insulation
D638-22	Standard Test Method for Tensile Properties of Plastics
D573-04(2025)	Standard Test Method for Rubber—Deterioration in an Air Oven
D471-16a(2021)	Standard Test Method for Rubber Property—Effect of Liquids (Includes all amendments and changes 6/25/2021).
D374-99	Standard Test Methods for Thickness of Solid Electrical Insulation
D257-14(2021)e1	Standard Test Methods for DC Resistance or Conductance of Insulating Materials (Includes all amendments and changes 5/6/2021).
D150-22	Standard Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation
D149-25	Standard Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies
D2132-23	Standard Test Method for Dust-and-Fog Tracking and Erosion Resistance of Electrical Insulating Materials

D3755-20	Standard Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials Under Direct-Voltage Stress
D5207-20	Standard Practice for Confirmation of 20-mm (50-W) and 125-mm (500-W) Test Flames for Small-Scale Burning Tests on Plastic Materials

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