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Standard Test Methods for Crosslinked Insulations and Jackets for Wire and Cable
Name übersetzen
NORM herausgegeben am 15.1.2021
Bezeichnung normen: ASTM D470-21
Ausgabedatum normen: 15.1.2021
SKU: NS-1019295
Zahl der Seiten: 24
Gewicht ca.: 72 g (0.16 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
capacitance, cold bend, crosslinked insulation, dielectric withstand, dissipation factor, flammability, heat distortion, heat exposure (aging), horizontal flame test, insulation resistance, mineral filler content, oil immersion, ozone resistance, partial-discharge extinction level, permittivity, set test, surface resistivity, tear test, track resistance, u-bend discharge, water absorption tests ,, ICS Number Code 29.035.01 (Insulating materials in general)
Significance and Use | ||||||||||||||||||||||||||||||||||||||||||
5.1?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. |
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1. Scope | ||||||||||||||||||||||||||||||||||||||||||
1.1?These test methods cover procedures for testing crosslinked insulations and jackets for wire and cable. To determine the test to be made on the particular insulation or jacket, refer to the product specification for that type. These test methods do not apply to the class of products known as flexible cords. 1.2?In many instances the insulation or jacket 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 and not to test the conductor or completed cable. 1.3?These test methods appear in the following sections:
1.4?Whenever two sets of values are presented, in different units, the values in the first set are the standard, while those in the parentheses are for information only. 1.5?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. 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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2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||
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