GS Caltex

GS Caltex makes Kixx Immersion Fluid S, Korea's first immersion cooling fluid, a PAO-based coolant with a flash point above 250°C. It runs in Samsung SDS and LG Uplus data centers.

Dielectric fluids

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Facts

Source per value
Supply role The procurement layer supplied: tank systems, servers and integration, or dielectric fluids.
Dielectric fluids 1
Cooling phase Documented immersion phase for the named offer. Both means the company sells single- and two-phase systems.
Not published
Named offer The named immersion product, system or fluid grade.
Kixx Immersion Fluid S, Kixx Immersion Fluid S 30 1
Example system kW One published tank or system rating in kW for the named model. The rating basis gives its model, size and water conditions. Server TDP and CDU ratings stay out of this column.
Not published
Rating / selection basis The model and conditions behind the kW figure, or the key fluid properties for fluid suppliers.
Flash point above 250°C 1
Fluid Named dielectric fluid, fluid family or approved fluid list.
Polyalphaolefin (PAO) 1
Hardware evidence Named server, GPU layout, form factor or validation platform.
Supermicro immersion cooling system at the GS Caltex Daejeon R&D Center (June 2025) 1
Deployment / documentation A named deployment, joint validation or technical document.
Supplied to a Samsung SDS data center (2024) and to the LG Uplus Pyeongchon 2 hyperscale data center (June 2025) 1

Sources

  1. GS Caltex Expands Immersion Cooling Business to Data Centers (GS Caltex Media Hub) accessed 2026-11-11
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