GB/T 4074.4-2008
AbolishedWinding wires - Test methods - Part 4: Chemical properties
绕组线试验方法 第4部分：化学性能
Application Summary AI generated
This standard specifies test methods for evaluating the chemical properties of winding wires, such as resistance to solvents, refrigerants, and transformer oils. It is applied in the electrical industry for quality control and material verification of enameled and insulated wires used in motors, transformers, and other electromagnetic devices. The tests ensure that the wire insulation can withstand chemical exposure during manufacturing, assembly, and operation.
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