Diala S4 ZX-I

SHELL Diala S4 ZX-I is an electrical insulating oil from Shell designed to meet the challenges presented by the latest power transformers. It offers an extended oil life with the peace of mind of zero sulphur base oils produced using Shell’s GTL (gas-to-liquid) technology. These base oils offer a high degree of compositional consistency and have an excellent response to anti-oxidant. In addition they are globally available and free from PCB’s DBDS and passivators. Shell Diala S4 ZX-I meets both the established and new industry copper corrosion tests.