ASTM D3288 / D3288M - 20
Standard Test Methods for Magnet-Wire Enamels
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Significance and Use
4.1 These tests are useful for specification and control purposes during the manufacture, purchase, and use of the magnet-wire enamels, and for determining uniformity of batches.
1. Scope
1.1 These test methods cover testing liquid enamel coatings used to produce film-insulated magnet wire.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined
1.3 The test methods appear as follows:
|
| Sections |
| Density | 6 – 10 |
| Determined Solids | 16 – 22 |
| Effective Solids | 31 – 37 |
| Flash Point | 11 – 15 |
| Infrared Analysis | 45 – 50 |
| Stack Loss | 23 – 30 |
| Viscosity | 38 – 44 |
1.4 There is no known IEC equivalent document.
1.5 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.
1.6 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D29 Test Methods for Sampling and Testing Lac Resins
D56 Test Method for Flash Point by Tag Closed Cup Tester
D476 Classification for Dry Pigmentary Titanium Dioxide Products
D1298 Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method
D1475 Test Method for Density of Liquid Coatings, Inks, and Related Products
D1711 Terminology Relating to Electrical Insulation
D5423 Specification for Forced-Convection Laboratory Ovens for Evaluation of Electrical Insulation
E131 Terminology Relating to Molecular Spectroscopy
E168 Practices for General Techniques of Infrared Quantitative Analysis
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ICS Code
ICS Number Code 25.220.50 (Enamels)
UNSPSC Code
UNSPSC Code 26121509(Magnet wire)
Referencing This Standard
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DOI: 10.1520/D3288_D3288M-20
Citation Format
ASTM D3288 / D3288M-20, Standard Test Methods for Magnet-Wire Enamels, ASTM International, West Conshohocken, PA, 2020, www.astm.org
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