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ASTM D1305-16(2022)
Standard Specification for Electrical Insulating Paper and Paperboard—Sulfate (Kraft) Layer Type
Translate name
STANDARD published on 1.5.2022
The information about the standard:
Designation standards: ASTM D1305-16(2022)
Publication date standards: 1.5.2022
SKU: NS-1056605
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM D1305-16(2022) :
This specification covers electrically insulating, unbleached sulfate paper and paperboard used as layer insulation in coils, transformers, and other similar apparatus. The materials may also be used as turn insulation, slot liners, wedges, phase insulation, and separator papers in stranded wire/cable constructions. This specification does not include tissue for manufacture of capacitors. Other commonly used terms for the materials include soft coil wrap, dense coil wrap, kraft coil insulation, dry-finished kraft, and water-finished kraft. The materials covered in this specification are classified into four types according to density range and nominal thickness and should conform to the required values of ash content, alcohol-soluble material content, aqueous extract conductivity, water-soluble chloride content, fiber composition, moisture content, hydrogen ion concentration, pH, tensile strength, dielectric breakdown voltage, and conducting paths.
Keywords:
alcohol-soluble material, aqueous extract conductivity, ash, chlorides, conducting paths, density, dielectric breakdown voltage, paper, paperboard, pH, tensile strength, unbleached sulfate kraft ,, ICS Number Code 29.035.10 (Paper and board insulating materials)
Additional information
| 1. Scope | ||||
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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. |
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| 2. Referenced Documents | ||||
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