Specialty Engineering proudly announces a new partnership with MIDEL. For more than 4 decades, MIDEL has been making natural ester and synthetic insulating fluids for transformers. These insulating fluids have been setting the highest industry standards for fire protection, environmental safety, and cost savings to its customers for many years. Its biodegradable qualities and safe operation temperature range (cold to hot climates) make MIDEL fluids a perfect solution for many demanding applications. MIDEL 7131 is a premium synthetic product that is the first choice for retrofilling.