Dolph’s Von Roll

Von Roll is the world’s leading company in the field of insulation systems for high voltage equipment. Together, Von Roll and John C. Dolph’s are able to supply varnishes and resins for electrical insulation and the general protection of low, medium and high voltage equipment whether they are rotating machines, motors, generators or transformers. A wide range of protective coatings, which are resistant to external agents, and encapsulation resins for electronic boards, sensors, capacitors and electrical equipment in general is also available.