Significance and Use
7.1 Bond strength values obtained by flexural tests provide information with regard to the bond strength of a particular self-bonding outer coating in combination with a particular round film-insulated magnet wire when measured under conditions described in this test method.
Scope
1.1 These test methods cover procedures for testing film-insulated magnet wire that is used in electrical apparatus. These test methods are intended primarily for the evaluation of the electrical insulating materials used. The intent is that these test methods be used, except where modified, by individual specifications for particular applications.
1.2 These test methods present different procedures for evaluating given properties of round, rectangular or square, copper or aluminum film-insulated magnet wire.
1.3 The values stated in inch-pound units are the standard. The SI units in parentheses are provided for information only.
1.4 The test methods appear in the following sections:
Sections
Bond Strength
4 – 12
Burnout (AC Overload Resistance)
13 – 21
Chemical Resistance
22 – 28
Coefficient of Friction
29 – 37
Continuity, DC High Voltage
38 – 45
Continuity, DC Low Voltage
46 – 53
Completeness of Cure
54 – 60
Cut-Through Temperature (Thermoplastic Flow)
61 – 68
Dielectric Breakdown AC Voltage
69 – 75
Dielectric Breakdown AC Voltage after Bending
76 – 82
Dielectric Breakdown AC Voltage at Elevated Temperatures
83 – 89
Dielectric Breakdown AC Voltage after Conditioning in Refrigerant Atmosphere
90 – 99
Dimensional Measurement
100 – 106
Dissipation Factor Measurement
107 – 114
Electrical Resistance
115 – 121
Elongation
122 – 129
Extractables, Refrigerant
130 – 140
Film Adherence and Flexibility
141 – 148
Formability:
a) Elastic Ratio
152
b) Low Stress Elongation
153
c) Spring Back
154-155
Heat Shock
156 – 162
Oiliness
163 – 169
Scrape Resistance, Unidirectional
170 – 177
Solderability
178 – 185
Resistance to Insulating Liquids and Hydrolytic Stability
186 – 195
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. Specific hazard statements are given in 9.5, 19.1, 19.3, 19.8, 52.1, 58, 59.1, 74.1, 112.1, 135.4, and 182.3.
NOTE 1: This test method is related to IEC 60851. Since both methods contain multiple test procedures, many procedures are technically equivalent while others differ significantly.
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.