Shell Diala S4 ZX-I previous Shell Diala B, S2 ZX-I

Premium insulating oil based on Shell GTL technology for transformers

Advantages of the Diala S4 ZX-I are:

• + High Performance, excellent heat transfer and dielectric properties
• + High Oxidation Stability
• + Resistance to the effects of ageing, sludge formation and deposit build-up

Shell Diala S4 ZX-I is Shell’s premium insulating oil. It has been designed to meet the needs of the latest transformer generation. The product offers a longer oil life. It is sulfur free and therefore meets existing and future copper corrosion tests. Shell Diala S4 ZX-I is made from a sulfur-free base oil produced using the Shell GTL (Gas-to-liquids) technology. This base oil is characterized by a uniform molecular structure and a very good response of antioxidants. It is globally available and independent of different crude oil deposits due to its manufacturing process. Shell Diala S4 ZX-I is free of PCB, DBDS and Passivators.