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ASTM D229-13

Standard Test Methods for Rigid Sheet and Plate Materials Used for Electrical Insulation

Automaticky přeložený název:

Standardní zkušební metody pro pevné plechy a desky Materiály použité pro elektrické izolace

NORMA vydána dne 1.11.2013

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Informace o normě:

Označení normy: ASTM D229-13
Poznámka: NEPLATNÁ
Datum vydání normy: 1.11.2013
Kód zboží: NS-19937
Počet stran: 18
Přibližná hmotnost: 54 g (0.12 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Anotace textu normy ASTM D229-13 :

Keywords:
ac breakdown voltage, arc resistance, ash content, bond strength, compressive strength, dissipation factor, elastic modulus, flame resistance, flexural strength, hard rubber, impact resistance, insulation resistance, permittivity, printed wiring boards, resistivity, rigid plates, rigid sheets, Rockwell hardness, solvent extractible, spacers, surface resistance, surface resistivity, tensile strength, terminal boards, thermal expansion, thermosetting laminate, thickness, tracking resistance

Doplňující informace

Significance and Use

18.1 This test method provides useful engineering information for evaluating the mechanical behavior of rigid electrical insulation at elevated temperature. When the proper exposure and test temperatures are chosen, depending on the material and end-use operating temperature, use the test method as one means of indicating relative thermal degradation of rigid insulating materials.

1. Scope

1.1 These test methods cover procedures for testing rigid electrical insulation normally manufactured in flat sheet or plate form. They are generally used as terminal boards, spacers, voltage barriers, and circuit boards.

1.2 Use Test Methods D619 (withdrawn) or Specification D710 for tests applying to vulcanized fibre.

1.3 Some of the test methods contained in this standard are similar to those contained in IEC 60893-2, which applies to rigid industrial laminated sheets based on thermosetting resins for electrical purposes.

1.4 The test methods appear in the following sections:

Test

Sections

ASTM
Test
Method

Acetone extractable matter

83 to 84

D494

Arc resistance

D495

Ash

56 to 60

...

Bonding strength

49 to 54

...

Burning rate and flame resistance

61 to 75

...

Compressive strength

D695

Conditioning

D6054

Dissipation factor

34 to 40

D669

Dielectric strength

28 to 33

D149

Expansion (linear thermal)

D696

Flexural properties

12 to 24

D790

Hardness (Rockwell)

D785

Insulation resistance and resistivity

41 to 46

D257

Permittivity

34 to 40

D150

Resistance to impact

D256

Tensile properties

7 to 11

D638

Thickness

5 to 6

D374

Tracking resistance

D2132

Warp or twist

77 to 82

...

Water absorption

D570

1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.6 This is a fire-test-response standard. See Sections 1.7 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. 1.8 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.

1.9 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests.

2. Referenced Documents

D785-23	Standard Test Method for Rockwell Hardness of Plastics and Electrical Insulating Materials
D790-17	Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
D792-20	Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D883-24	Standard Terminology Relating to Plastics
D1674-67(1977)	Methods of Testing Polymerizable Embedding Compounds Used for Electrical Insulation (Withdrawn 1990)
D495-22	Standard Test Method for High-Voltage, Low-Current, Dry Arc Resistance of Solid Electrical Insulation
D570-22	Standard Test Method for Water Absorption of Plastics
ISO 13943	Fire Safety: Vocabulary Available from International Organization for Standardization, P.O. Box 56, CH-1211, Geneva 20, Switzerland or from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
IEC 60893–2	Specification for Rigid Industrial Laminated Sheets Based on Thermosetting Resins for Electrical Purpose, Methods of Tests Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
D617-84(1998)	Standard Test Method for Punching Quality of Phenolic Laminated Sheets (Withdrawn 2003)
D619-21	Standard Test Methods for Vulcanized Fibre Used for Electrical Insulation
D638-22	Standard Test Method for Tensile Properties of Plastics
D256-23e1	Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics (Includes all amendments and changes 4/7/2023).
D257-14(2021)e1	Standard Test Methods for DC Resistance or Conductance of Insulating Materials (Includes all amendments and changes 5/6/2021).
D374-99	Standard Test Methods for Thickness of Solid Electrical Insulation
D494-11(2019)	Standard Test Method for Acetone Extraction of Phenolic Molded or Laminated Products
D149-20	Standard Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies
D150-22	Standard Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation
D1825-03	Standard Practice for Etching and Cleaning Copper-Clad Electrical Insulating Materials and Thermosetting Laminates for Electrical Testing (Withdrawn 2012)
D1711-24	Standard Terminology Relating to Electrical Insulation
D2132-23	Standard Test Method for Dust-and-Fog Tracking and Erosion Resistance of Electrical Insulating Materials
D2303-20e1	Standard Test Methods for Liquid-Contaminant, Inclined-Plane Tracking and Erosion of Insulating Materials (Includes all amendments and changes 5/5/2021).
D3487-16e1	Standard Specification for Mineral Insulating Oil Used in Electrical Apparatus (Includes all amendments and changes 1/1/2018).
D5032-19	Standard Practice for Maintaining Constant Relative Humidity by Means of Aqueous Glycerin Solutions
D6054-97	Standard Practice for Conditioning Electrical Insulating Materials for Testing
E176-24	Standard Terminology of Fire Standards
E197-66 (1972)	Specification for Enclosures and Servicing Units for Tests Above and Below Room Temperature (Withdrawn 1981)
D669-03	Standard Test Method for Dissipation Factor and Permittivity Parallel with Laminations of Laminated Sheet and Plate Materials (Withdrawn 2012)
D695-23	Standard Test Method for Compressive Properties of Rigid Plastics
D696-16	Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics Between -30°C and 30°C with a Vitreous Silica Dilatometer
D710-19	Standard Specification for Vulcanized Fibre Sheets, Rolls, Rods, and Tubes Used for Electrical Insulation