Transformer immersion coating typically uses insulating varnish, which possesses excellent insulation properties to ensure the insulation system of the transformer remains fault-free during operation. Insulating varnish is usually a specialized insulating coating composed primarily of materials such as acrylic resin, polyimide, epoxy resin, and others. When applied to transformer coils and insulation surfaces, these materials provide effective electrical insulation while also offering resistance to humidity, chemicals, and arc flashover. Insulating varnish additionally serves as a protective coating, safeguarding insulation materials from moisture, contaminants, and other external factors, thereby extending the transformer's lifespan and ensuring stable performance.

LuShan, est. 1975,  is a Chinese professional manufacturer specializing in power transformers and reactors for 48 years. Leading products are single-phase transformer, three-phase transformers, DC inductors, AC reactors, filtering reactor, expoxy resin high-voltage transformer and intermediate, high-frequency products. Our transformers and reactors are widely used in 10 application areas: rapid transit, construction machinery, renewable energy, intelligent manufacturing, medical equipment, coal mine explosion prevention , excitation system, vacuum sintering, central air conditioning.

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