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Standard Test Methods for Crosslinked Insulations and Jackets for Wire and Cable
Automaticky preložený názov:
Štandardné skúšobné metódy pre zosieťovaný izolácií a bundy pre káble a vodiče
NORMA vydaná dňa 1.2.2013
Označenie normy: ASTM D470-13
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.2.2013
Kód tovaru: NS-28210
Počet strán: 25
Približná hmotnosť: 75 g (0.17 libier)
Krajina: Americká technická norma
Kategória: Technické normy 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 The procedures 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 problems, 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.
Standard Specification for
Forced-Convection Laboratory Ovens for Evaluation of Electrical
Insulation Guide for Partial-Discharge Procedure
Available from the Insulated Cable Engineers Assoc., P.O. Box 440,
South Yarmouth, MA 02664. Standard Specification for Laboratory
Burner Used for Small-Scale Burning Tests on Plastic Materials
(Includes all amendments and changes 4/16/2020). Standard Practice for Confirmation of
20-mm (50-W) and 125-mm (500-W) Test Flames for Small-Scale Burning
Tests on Plastic Materials Standard Test Method for Dust-and-Fog
Tracking and Erosion Resistance of Electrical Insulating
Materials Standard Test Method for Dielectric
Breakdown Voltage and Dielectric Strength of Solid Electrical
Insulating Materials at Commercial Power Frequencies Standard Test Methods for AC Loss
Characteristics and Permittivity (Dielectric Constant) of Solid
Electrical Insulation Standard Test Methods for DC Resistance
or Conductance of Insulating Materials (Includes all amendments and
changes 5/6/2021). Standard Test Methods for Vulcanized
Rubber and Thermoplastic Elastomers—Tension Standard Test Method for Rubber
Deterioration by Heat and Air Pressure Standard Test Method for
Rubber—Deterioration by Heat and Oxygen Standard Test Method for
Rubber´Deterioration in an Air Oven Standard Specification for Reagent
Water Standard Terminology Relating to
Electrical Insulation Standard Test Method for Dielectric
Breakdown Voltage and Dielectric Strength of Solid Electrical
Insulating Materials Under Direct-Voltage Stress |
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