Materials and equipment for the production of electrical insulating varnishes and compounds are described. The production technology of the most widely used synthetic resins, varnishes and compounds is given. The main properties of the most common varnishes and compounds are described, as well as the areas of their application in production. The book is designed for engineering and technical workers of the electrical and energy industry related to the production and use of varnishes and compounds, and can also be useful to students of electrical and energy universities.