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Insulating varnishes and resins

Von Roll and John C. Dolph’s varnishes and resins are ideal for electrical insulation and the general protection of low, medium and high voltage equipment such as rotary machines, motors, generators or transformers. A wide range of protective coatings against external agents and encapsulation resins are available for electronic boards, sensors, capacitors and electrical equipment in general.


  • Electrically insulating impregnation resins

    Today, the impregnation process has taken on a key role in the design and construction of electrical equipment. Finding the right product and the right…

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  • Encapsulation resins

    Encapsulation resins are used when a high resistance to chemical agents, high thermal conductivity and high bonding strength are required.

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  • Protective coatings

    Protective coatings are used to provide additional protection against aggressive external agents or to reinforce fragile components. The protective coatings can be of different types…

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