Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM D350-08

Standard Test Methods for Flexible Treated Sleeving Used for Electrical Insulation

Standard Test Methods for Flexible Treated Sleeving Used for Electrical Insulation D0350-08 ASTM|D0350-08|en-US Standard Test Methods for Flexible Treated Sleeving Used for Electrical Insulation Standard new BOS Vol. 10.01 Committee D09
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Significance and Use

The dielectric breakdown voltage of the sleeving is of importance as a measure of its ability to withstand electrical stress without failure. This value does not correspond to the dielectric breakdown voltage expected in service, but is of value in comparing different materials or different lots, in controlling manufacturing processes or, when coupled with experience, for a limited degree of design work. The comparison of dielectric breakdown voltage of the same sleeving before and after environmental conditioning (moisture, heat, and the like) gives a measure of its ability to resist these effects. For a more detailed discussion, refer to Test Method D 149.

Scope

1.1 These test methods cover procedures for testing electrical insulating sleeving comprising a flexible tubular product made from a woven textile fibre base, such as cotton, rayon, nylon, or glass, thereafter impregnated, or coated, or impregnated and coated, with a suitable dielectric material.

1.2 The procedures appear in the following sections:

ProceduresSections
Brittleness Temperature18 to 21
Compatibility of Sleeving with Magnet Wire Insulation45 to 59
Conditioning 6
Dielectric Breakdown Voltage12 to 17
Dielectric Breakdown Voltage After Short-Time Aging29 to 33
Dimensions 7 to 11
Effect of Push-Back After Heat Aging73 to 78
Flammability22 to 28
Hydrolytic Stability66 to 72
Oil Resistance34 to 37
Selection of Test Material5
Solvent Resistance60 to 65
Thermal Endurance38 to 44

1.3 The values stated in inch-pound units, except for °C, are to be regarded as the standard. The values in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 This is a fire-test-response standard. See Sections 22 through 28, which are the procedures for flammability tests.

1.5 This standard measures and describes the response of materials, products, or assemblies to heat and flame under controlled conditions, but does not by itself incorporate all factors required for fire hazard or fire risk assessment of the materials, products or assemblies under actual fire conditions.

1.6 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 45.2 and 63.1.1.

Note 1—This standard resembles IEC 60684-2, Specification for Flexible Insulating SleevingPart 2 Methods of Test, in a number of ways, but is not consistently similar throughout. The data obtained using either standard may not be technically equivalent.

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Details
Book of Standards Volume: 10.01
Developed by Subcommittee: D09.07
Pages: 10
DOI: 10.1520/D0350-08
ICS Code: 29.035.20