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John C. Dolph Company is the leader in electrical insulation products, systems and services for generators, high- and low-voltage motors, transformers and other applications.
As part of Von Roll, one of Switzerland’s longest-established industrial companies, we focus on products and systems for electrical power generation, power transmission and industrial applications.
©2015 John C. Dolph Company – a vonRoll Company
John C. Dolph Company
Coatings, Compounds and Encapsulants for the Electrical and Electronics Industries
Also manufactured in: ITALY · MEXICO
Professional Memberships: ASTM · EASA · NEMA