Acetal(polyvinyl Formal)enameled Wire

Acetal(polyvinyl Formal)enameled Wire

Heat level for the I05 and 120 two, with good mechanical strength, adhesion, resistance to transformer oil and refrigerant resistance, but the product moisture resistance is poor, hot softening breakdown temperature is low, durable benzene - alcohol mixed solvent performance and other defects ,...

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Heat level for the I05 and 120 two, with good mechanical strength, adhesion, resistance to transformer oil and refrigerant resistance, but the product moisture resistance is poor, hot softening breakdown temperature is low, durable benzene - alcohol mixed solvent performance and other defects , Currently only a small amount for oil-immersed transformers, oil-filled motor windings.

Acetal enameled wire is the first high-strength enameled wire, with high mechanical strength, to meet the general high-speed automatic winding device on the enameled wire strength requirements; In addition, it is softer the film, the copper wire also has good adhesion, so But also to meet the requirements of micro-motor end-shaping. But its greatest feature is a very excellent oil resistance and thermal shock resistance.

In general, high-strength enameled wire has good oil resistance, but in oil-immersed transformers and oil-filled motors, the enameled wire is immersed in high-temperature closed oil for a long time, and the oil resistance of different enameled wires is obviously different. From the foreign report, the United States in 1963 at the 4th insulation material meeting made the conclusion: in all the tests, regardless of whether the paper, polyester enameled wire lined all crack, and it with the transformer oil The system is completely incompatible; on the contrary, acetal enameled wire and polyacrylic acid enameled wire (Loot) n in the test more fully to maintain the original performance. According to the report in Japan in 1973, the total amount of enameled wire is 30 years. This is also true in Europe, where all oil-filled transformers use acetal lines.


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