Castrol ON Immersion Cooling Fluids DC15 and DC20

The Castrol ON range of immersion cooling fluids (DC15 and DC20) are single-phase dielectric coolants with improved thermal management performance, combined with safety and high lifetime stability, that will optimise the use of efficient immersion cooling for high-performance data centres. Castrol ON immersion cooling fluids have been proven for use with leading tank and rack-based liquid cooling solutions.

Castrol ON: Immersion DC15 & DC20 Key Characteristics

  • Low viscosity, efficient heat transfer and good pumpability.
  • Proven thermal properties across the operating temperature range. Castrol ON DC15 and DC20 are hydrocarbon-based formulations with a relatively high thermal conductivity.
  • Enhanced electrical characteristics, delivering excellent electrical insulation and high flash point to protect against breakdown and ignition. Castrol DC15 and DC20 have a low dielectric constant and electrical conductivity, ensuring electrical safety during operation.
  • High fluid stability, formulated to provide high oxidation resistance to maintain performance over the fluid lifetime.
  • Proven material compatibility with a range of elastomers, plastics and metals, and high oxidastion resistance maintains performance over the fluid lifetime. Material compatibility tests are conducted at BP Castrol and in collaboration with specialised test houses.
  • Low GWP/ODP. All Castrol ON thermal fluids are aligned with Castrol's PATH360 sustainability program, emphasising a commitment to save waste, reduce carbon emmissions and improve lives.

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