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ASTM-D1305:2022 Edition

ASTM-D1305:2022 Edition

$29.79

D1305-16(2022) Standard Specification for Electrical Insulating Paper and Paperboard—Sulfate (Kraft) Layer Type

Published By Publication Date Number of Pages
ASTM 2022 4
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ASTM D1305-16-Reapproved2022

Active Standard: Standard Specification for Electrical Insulating Paper and Paperboard—Sulfate (Kraft) Layer Type

ASTM D1305

Scope

1.1 This specification covers electrical grade unsized, unbleached sulfate paper and paperboard for use as layer insulation in coils, transformers, and similar apparatus. Other applications include, but are not limited to, turn insulation, slot liners, wedges, phase insulation, and separator papers in stranded wire/cable constructions. Tissue for the manufacture of capacitors is not included in this specification. Other commonly used designations include:

1.1.1 Soft Coil Wrap,

1.1.2 Dense Coil Wrap,

1.1.3 Kraft Coil Insulation,

1.1.4 Dry-Finished Kraft, and

1.1.5 Water-Finished Kraft.

1.2 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.

1.3 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

alcohol-soluble material; aqueous extract conductivity; ash; chlorides; conducting paths; density; dielectric breakdown voltage; paper; paperboard; pH; tensile strength; unbleached sulfate kraft ;

ICS Code

ICS Number Code 29.035.10 (Paper and board insulating materials)

DOI: 10.1520/D1305-16R22

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