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ASTM D2413-99
Standard Practice for Preparation of Insulating Paper and Board Impregnated with a Liquid Dielectric
Automaticky preložený názov:
Štandardná prax pre prípravu Izolačné papiera a lepenky impregnované o s kvapalinovým dielektrikom
NORMA vydaná dňa 10.5.1999
Informácie o norme:
Označenie normy: ASTM D2413-99
Poznámka: NEPLATNÁ
Dátum vydania normy: 10.5.1999
Kód tovaru: NS-20279
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Anotácia textu normy ASTM D2413-99 :
Keywords:
board, dielectric strength, dissipation factor, drying, impulse strength, oil impregnation, paper permittivity, pressboard, vacuum drying, ICS Number Code 29.035.10 (Paper and board insulating materials)
Doplňujúce informácie
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1.1 These test methods cover the preparation and electrical testing of insulating paper and board impregnated with a liquid dielectric. They provide for measuring dissipation factor (power factor), permittivity (dielectric constant), and dielectric strength. Where these methods state only "paper," the same procedure shall apply to board. 1.2 These test methods have been found practicable for papers having nominal thickness of 0.05 mm (2 mil) and above. They have been used successfully for insulating board as thick as 6 mm (1/4 in.) when care is taken to assure the specimen geometry necessary for valid measurement of dielectric properties. Suitable geometry depends on the electrode system used. Rigid solid opposing electrodes require flat specimens that have essentially parallel surfaces. 1.3 The values stated in SI units are to be regarded as the standard. 1.4 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. > |
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