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  • Brochure

    Drive performance and sustainability

    Find out how you can meet growing demand for energy without compromising on sustainability by using Shell Diala S5 BD.
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    Protect environmentally sensitive locations

    Explore the positive difference a high-performance, readily biodegradable transformer oil can make on your environmental impact.

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    Improve cold temperature performance

    Overcome the challenges of operating in extreme low temperatures with lubrication that works in the harshest conditions.

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  • Brochure

    Shell Diala S5 BD Brochure

    A readily biodegradable transformer oil with excellent cold temperature performance, providing protection and efficiency to transformers across the globe.

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  • diala s5 bd white paper

    Shell Diala S5 BD white paper

    Readily biodegradable, low aquatic ecotoxicity, and recyclable dielectric coolant.

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  • High quality formulation

    Exceeds interfacial tension, sulfur free, prevents paper degradation, outstanding oxidation stability

  • Cold temperature performance

    Suitable for extremely cold and arctic conditions

  • Low pour point

    Less than -51°C

  • Good flow properties

    Viscosity at -40°C < 1,000 mm2/s

  • Secure supply

    Supply security with local production and distribution

  • Sustainable

    Readily biodegradable, recyclable, long oil life and longer equipment life as exceeds IEC 60296 (high grade)

Specifications & Approvals

  • ASTM 3487 Type II (Inhibited)
  • IEC 60296 Ed5 (2020); Type A, fully inhibited high-grade oils
  • CAN/CSA-C50-14 (R2018) Table 1 (Class A), Type II/IV (Inhibited)

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Shell Diala S4 ZX-IG

Shell Diala S4 ZX-IG is a market-leading paraffinic transformer oil that is known and trusted around the world, and it’s now available in the US. Whether you’re looking to upgrade your reliability, replace your current naphthenic oil, or stabilize your supply, you’ve found the right product.

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