Technical library
Details about the products we supply
FR3 Fluid – Transformer Oil
Envirotemp FR3 natural ester dielectric fluid is a revolutionary, biodegradable, and carbon-neutral alternative to traditional mineral oil. Proven over 25 years and millions of installations, FR3 fluid improves grid reliability, extends insulation life, increases load capacity, and enhances fire safety. Combining exceptional performance with sustainability, it empowers resilient, cost-effective, and environmentally friendly energy solutions worldwide.
Further Reading
Documents
FR3r Natural Ester Dielectric Fluid
FR3r Plus is a high performance natural ester made from more than ninety five percent rapeseed oil. It is engineered to out perform mineral oil on safety, reliability, and sustainability, enabling more compact designs, higher loading, and longer asset life.
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SE3 Synthetic Ester Dielectric fluid
SE3 is Cargill’s next generation synthetic dielectric fluid. It completes the portfolio for cases where a synthetic ester is the better match. SE3 delivers K class performance, operates confidently in extreme cold, and suits free breathing transformers as well as sealed units.