These test methods cover the procedures for testing vulcanized fibre sheets, tubes, and rods of such grades as can be used for electrical insulation.
Formerly under the jurisdiction of Committee D09 on Electrical and Electronic Insulating Materials, this practice was withdrawn in January 2013 in accordance with section 10.5.3.1 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.
1.1 These test methods cover the procedures for testing vulcanized fibre sheets, tubes, and rods of such grades as can be used for electrical insulation.
1.2 The procedures appear in the following sections:
Bond strength (ply adhesion)
Compressive strength, ,
Tensile strength, ,
Resistance to impact
1.3 The values stated in inch-pound units are to be regarded as the standard. The SI values given in parentheses 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. Specific hazard statements are given in and .
The test methods described herein are similar technically to those described in IEC Publication 60667-2. Not all of the tests in this document are included in IEC 60667-2, and the procedures in the two publications are not completely identical; but it is expected that comparable results will be obtained from most of the procedures and comparative tests should be made if necessary before directly comparing results of tests using the different procedures.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies
D202 Test Methods for Sampling and Testing Untreated Paper Used for Electrical Insulation
D229 Test Methods for Rigid Sheet and Plate Materials Used for Electrical Insulation
D256 Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics
D348 Test Methods for Rigid Tubes Used for Electrical Insulation
D349 Test Methods for Laminated Round Rods Used for Electrical Insulation
D374 Test Methods for Thickness of Solid Electrical Insulation
D495 Test Method for High-Voltage, Low-Current, Dry Arc Resistance of Solid Electrical Insulation
D570 Test Method for Water Absorption of Plastics
D668 Test Methods of Measuring Dimensions of Rigid Rods and Tubes Used for Electrical Insulation
D689 Test Method for Internal Tearing Resistance of Paper
D695 Test Method for Compressive Properties of Rigid Plastics
D785 Test Method for Rockwell Hardness of Plastics and Electrical Insulating Materials
D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D828 Test Method for Tensile Properties of Paper and Paperboard Using Constant-Rate-of-Elongation Apparatus
D952 Test Method for Bond or Cohesive Strength of Sheet Plastics and Electrical Insulating Materials
D1711 Terminology Relating to Electrical Insulation
D6054 Practice for Conditioning Electrical Insulating Materials for Testing
IEC60667-2 Specification for Vulcanized Fibre for Electrical Purposes-Part 2: Methods of Test Available from American National Standards Institute, 11 W. 42nd St., 13th Floor, New York, NY 10036.
arc resistance; ash content; bond strength; bursting strength; compressive strength; density; dielectric strength; flame resistance; flexural strength; impact resistance; inside diameter; outside diameter; ply adhesion; rigid rods; rigid sheets; rigid tubes; Rockwell hardness; silica content; tear resistance (internal); tensile strength; thickness; volatile content; vulcanized fibre; wall thickness; water absorption; zinc chloride content
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