About Cargill Sustainability Products & Services NewsCareers Worldwide Stories Contact HOME/PRODUCTS & SERVICES/BIOINDUSTRIAL/ALL APPLICATIONS/DIELECTRIC FLUIDS / FR3® NATURAL ESTER DIELECTRIC FLUID: LEADING THE WAY FR3® natural ester dielectric fluid: Leading the way Benefitting utilities and businesses, to better protect and serve communities. From its very first validation tests decades ago to the latest installations of FR3-fluid-filled power and distribution transformers across the globe, FR3 natural ester dielectric fluid has led the industry—toward more cost-effective, more resilient, higher-performing, safer, and environmentally better ways to power what communities depend upon to live, play, work, and thrive. Although mineral oil has long been the fallback transformer oil, it simply isn’t the optimal dielectric fluid. In millions of installations worldwide, FR3 natural ester dielectric fluid has proven to be superior in the ways you value the most. We have the leadership, experience, and proof, so you can be sure to take advantage of FR3 fluid’s benefits. Talk with an Expert Why FR3 Fluid FR3 fluid outperforms mineral oil in overall cost savings, grid resiliency, transformer performance, fire safety, and environmental benefits. See why these critical reasons to switch from mineral oil to FR3 natural ester transformer oil matter. Details Validation FR3 fluid has been tested and proven by numerous internal tests, third-party research organizations and universities, and customers many times over, and for decades. See why its superiority to mineral oil is beyond question. Details FR3 Fluid Technical Details Higher flash and fire points (compared to mineral oil). Dielectric strength even at very cold temperatures. Chemical interactions that extend the life of a transformer’s solid insulation. Ultimately and readily biodegradable. See FR3 fluid’s technical details. Details Resources Browse or search our resources to find technical perspectives, white papers, customer-story videos, FAQs, and interactive tools, including our extended life cost savings calculator, SKU reduction calculator, and higher thermal capacity graph. Details “When you have less space, and more population in that area [like in Mumbai, India], it means you need to have a solution that is very safe.” Ramchandran Pillai, Chief Corporate Operations T&D, Tata Power Co., Ltd. Related Resources Natural Ester Oil Transformers Deliver Greater Peace of Mind Read why utilities are transitioning from mineral oil to FR3 dielectric fluid to meet energy demands and reduce environmental risk. Read Evolution of Natural Ester Transforms Industry Norms Read about the practical results that utilities around the globe are gaining by switching from mineral oil to FR3 fluid. Read FR3® Dielectric Fluid Brochure Get an overview of FR3 natural ester dielectric fluid and its benefits. Read Find FR3 Fluid More The products and services described on this website may not be available in all jurisdictions or to all persons. Twitter Facebook Linkedin YouTube Contact Worldwide Privacy Notices Fraud Notice Manage Cookies Website Terms of Use Purchase Order Terms © 2021 Cargill, Incorporated. All Rights Reserved. We value your privacy We use technologies such as cookies in order to optimize site functionality, integrate with social media, allow us and third parties to serve relevant advertising when you visit our site and other third party websites, analyze our traffic and site performance and improve and customize your experience on our websites. ONLINE PRIVACY POLICY AGREE REJECT MANAGE COOKIES