Isovoltine Bio

Isovoltine Bio is a biodegradable transformer oil that has been developed with high-performance synthetic esters



  • ISOVOLTINE BIO oil is a biodegradable oil. It has been developed based on high-performance synthetic esters.
  • ISOVOLTINE BIO is an ecological alternative to replace mineral and silicone oils used in transformers, rheostats and circuit breakers.


  • High isolating capability.
  • Very good oxidation resistance for extended use.
  • Biodegradable according to OECD 301B :
  • 66% in 10 days
  • 72% in 28 days
  • Very high flash point to improve fire safety compared to mineral oils (K3 according to IEC 61100).
  • Low viscosity for effective cooling.
  • High renewable raw materials (higher than 50%).
  • Meets toxicological criteria of Eco-Label even if no category exists for this application.
  • Tech Spec


  • Technical Data Sheet – Download
  • Material Safety Data Sheet – Download
  • Additional information


    Pack size

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    Finol Oils, 3 Stannaway Drive Crumlin Dublin 12, D12 X2PN | Tel: +353 01 4555484 | Email: [email protected]