The unique capabilities of FR3 fluid and its performance in transformers means additional financial outcomes can be achieved through retrofilling mineral oil filled transformers.

Envirotemp FR3 natural ester fluid can deliver significant cost savings without sacrificing reliability.


Top 15 Questions on Retrofilling Transformers with FR3 fluid

In response to the many questions we get on FR3 fluid and natural esters, particularly in regard to retrofill applications, we developed this handy guide with the top 15 questions and their answers.


retrofill fr3 fluid transformers mineral oil

Guidelines to Retrofilling with FR3

Cargill have produced three comprehensive guides to assist in the transformer FR3 retrofill process, for power transformers, distribution transformers and a general storage and handling guide.



Looking for more information?

If you still have unanswered questions or want some specific application advice, please contact our technical team.