ASTM-D352 2023(Redline)

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D352-23 Standard Test Methods for Pasted Mica Used in Electrical Insulation (Redline)

Published By	Publication Date	Number of Pages
ASTM	2023

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Categories: 29.035.50 - Mica based materials, ASTM

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Description

ASTM D352-23

Redline Standard: Standard Test Methods for Pasted Mica Used in Electrical Insulation

ASTM D352

Scope

1.1 These test methods cover the testing of bonded mica splittings and bonded mica paper to be used for commutator insulation, hot molding, heater plates, and other similar insulating purposes.

1.2 These test methods appear in the following sections:

1.3 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.

1.4 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. See 40.1 and 45.1 for specific hazard statements.

1.5 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.

Keywords

binder content; bonded mica paper; bonded mica splittings; commutator segment insulation; compressive creep; heater plates; pasted mica ;

ICS Code

ICS Number Code 29.035.50 (Mica based insulating materials)

DOI: 10.1520/D0352-23

Additional information

Compressive Creep	4 – 10
Test	Sections
Mica or Binder Content	19
Resistivity	42 – 46
Dielectric Strength	38 – 41
Stability Under Heat and Pressure	11 – 18
Molding Test	31 – 36
Silicone Binder	25 – 30
Organic Binder	20 – 24
ICS Codes	29.035.50 - Mica based materials