ASTM-D4063 2004
$35.75
D4063-99(2004) Standard Specification for Pressboard for Electrical Insulating Purposes
Published By | Publication Date | Number of Pages |
ASTM | 2004 | 4 |
1.1 This specification covers pressboard for electrical insulating purposes, manufactured from kraft, cotton, or kraft and cotton pulps. This board is intended for dielectrical or structural purposes in transformers and other electrical apparatus.
1.2 Electrical insulating boards are most commonly referred to (and will be referred to herein) as pressboard. Other terms used for pressboard include transformer board, fuller board, and presspan.
1.3 This specification covers pressboard having a nominal thickness of 0.030 to 0.315 in. (0.8 to 8.0 mm). For thinner material refer to Specification D 1305.
1.4 The maximum thickness available will differ with the type and the manufacturer. The maximum sheet size will differ with the thickness, type, and manufacturer.
1.5 Pressboard shall normally be plied wet without pasting. Unless specified by the purchaser, this specification does not include pressboard comprised of two or more sheets that have been laminated together using an adhesive.
Note 1
The materials described in this specification are similar to corresponding types of pressboard described in IEC Specification 641-3, Sheet 1, Types B.0.1, B.2.1, B.2.3, B.3.1, and B.3.3.
PDF Catalog
PDF Pages | PDF Title |
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1 | Scope Referenced Documents Terminology Classification Ordering Information |
2 | Materials and Manufacture Property Requirements Workmanship, Finish and Appearance Sampling Test Methods Rejection and Rehearing Product Marking Packaging and Package Marking TABLE 1 TABLE 2 |
3 | Keywords TABLE 3 |
4 | TABLE 4 |