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ASTM D2225-04

Standard Test Methods for Silicone Fluids Used for Electrical Insulation

Automatische name übersetzung:

Standard-Prüfverfahren für Siliconöle Wird für Electrical Insulation

NORM herausgegeben am 1.12.2004

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Informationen über die Norm:

Bezeichnung normen: ASTM D2225-04
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.12.2004
SKU: NS-19666
Zahl der Seiten: 4
Gewicht ca.: 12 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM

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Die Annotation des Normtextes ASTM D2225-04 :

Keywords:

Electrical insulating liquids, silicone fluids, testing,, Electronic materials/applications, silicone fluids, electrical insulating, testing, ICS Number Code 29.040.10 (Insulating oils)

Ergänzende Informationen

Significance and Use

Tests covered in this standard may be used for quality control and design considerations.

Included in each test method is a brief statement describing its significance.

1. Scope

1.1 These test methods cover the testing of silicone fluids for use in transformers, capacitors, and electronic assemblies as an insulating or cooling medium, or both. These methods are generally suitable for specification acceptance, factory control, referee testing, and research.

1.2 Although some of the test methods listed here apply primarily to petroleum-based fluids, they are, with minor revisions, equally applicable to silicone fluids.

1.3 Silicone fluids are used for electrical insulating purposes because of their stable properties at high and low temperatures and their relative environmental inertness.

1.4 A list of the properties and standards are as follows:

Property Measured Section ASTM Test Method Physical: Color 6 D 2129 Flash point 7 D 92 Fire point 7 D 92 Polychlorinated biphenyl 8 D 4059 content Pour point 9 D 97 Refractive index 10 D 1807 Specific gravity 11 D 1298, D 1481, D 4052 Volatility 12 D 4559 Viscosity 13 D 445, D 2161 Chemical: Neutralization number 14 D 974 Water content 15 D 1533 Electrical: Relative permittivity 16 D 924 2 Dielectric breakdown 17 D 877 3 voltage Dissipation factor 18 D 924 2 Specific resistance 19 D 1169 2 Compatibility 20 D 5282

1.5This 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.

2. Referenced Documents

D4059-00(2018)	Standard Test Method for Analysis of Polychlorinated Biphenyls in Insulating Liquids by Gas Chromatography
D4559-99	Standard Test Method for Volatile Matter in Silicone Fluid
D4652-20	Standard Specification for Silicone Liquid Used for Electrical Insulation
D5282-05(2020)	Standard Test Methods for Compatibility of Construction Material with Silicone Fluid Used for Electrical Insulation
D974-22	Standard Test Method for Acid and Base Number by Color-Indicator Titration
D1169-19a	Standard Test Method for Specific Resistance (Resistivity) of Electrical Insulating Liquids (Includes all amendments and changes 10/10/2019).
D1807-00	Standard Test Methods for Refractive Index and Specific Optical Dispersion of Electrical Insulating Liquids
D877-02	Standard Test Method for Dielectric Breakdown Voltage of Insulating Liquids Using Disk Electrodes
D923-15(2023)	Standard Practices for Sampling Electrical Insulating Liquids
D924-23	Standard Test Method for Dissipation Factor (or Power Factor) and Relative Permittivity (Dielectric Constant) of Electrical Insulating Liquids
D92-24	Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester
D97-17b(2022)	Standard Test Method for Pour Point of Petroleum Products (Includes all amendments and changes 11/29/2022).
D445-26	Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
D1533-20	Standard Test Method for Water in Insulating Liquids by Coulometric Karl Fischer Titration
D1481-17	Standard Test Method for Density and Relative Density (Specific Gravity) of Viscous Materials by Lipkin Bicapillary Pycnometer (Withdrawn 2023)
D1298-24	Standard Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method
D2161-20(2025)	Standard Practice for Conversion of Kinematic Viscosity to Saybolt Universal Viscosity or to Saybolt Furol Viscosity
D2129-17(2026)	Standard Test Method for Color of Clear Electrical Insulating Liquids (Platinum-Cobalt Scale)
D1816-12(2019)	Standard Test Method for Dielectric Breakdown Voltage of Insulating Liquids Using VDE Electrodes
D2864-21a	Standard Terminology Relating to Electrical Insulating Liquids and Gases (Includes all amendments and changes 12/14/2021).
D4052-22	Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter

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