ASTM D1677-17R24
Standard Test Methods for Sampling and Testing Untreated Mica Paper Used for Electrical Insulation
| Označení normy: | ASTM D1677-17R24 |
| Vydáno: | 01.03.2024 |
| Status: | Active |
| Počet stran: | 4 |
| Sekce: | 10.01 |
| Označení: | air resistance; apparent density; aqueous extract conductivity; dielectric strength; impregnation time; mica paper; tensile strength; thickness; weight; weight variability ; |
| ASTM označení: | ASTM D1677 |
| Nahrazuje: | D1677-17 |
1.1 These test methods cover procedures for sampling and testing untreated mica paper to be used as an electrical insulator or as a constituent of a composite material used for electrical insulating purposes.
1.2 The procedures2 appear in the following order:
|
|
| ASTM |
|
|
| Method |
| Procedures | Sections | References |
| Apparent Density | 12 | ... |
| Aqueous Extract Conductivity | 32 and 33 | D202 |
| Conditioning | 4 | D685 |
| Dielectric Strength | 16 – 19 | D149 |
| Impregnation Time | 20 – 24 | D202 |
| Moisture Content | 26 – 28 | D644 |
| Roll Quality | 25 | ... |
| Sampling | 3 | ... |
| Tensile Strength | 13 – 15 | D828 |
| Thickness | 6 – 10 | D374/D374M |
| Weight | 11 | D646 |
| Weight Variability | 29 – 31 | ... |
1.3 The values stated in inch-pound units are to be regarded as the 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.
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.