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ExxonMobil Dielectric fluids & synthetic coolants

PAO-based dielectric coolants and synthetic heat-transfer fluids from ExxonMobil. The backbone of direct-to-chip and immersion cooling in data centers, EVs, and power electronics.

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Brand Overview

ExxonMobil synthetic PAO (polyalphaolefin) dielectric fluids are the gold standard for liquid cooling in high-performance computing and EV battery thermal management. Their exceptional dielectric strength, low viscosity, and wide operating temperature range make them the preferred choice for immersion cooling.

HeTone is the authorized distributor for dielectric and coolant fluids across Asia. We provide fluid selection consulting, compatibility testing support, and reliable supply for everything from lab prototypes to hyperscale data center deployments.

Product Series

Featured product families.

PAO Dielectric Fluids

Synthetic polyalphaolefin coolants with superior dielectric strength (>40 kV). Ultra-low viscosity for efficient pump circulation. Compatible with standard IT hardware, connectors, and seals.

>40 kV dielectric

Heat Transfer Fluids

High thermal capacity synthetic fluids for indirect liquid cooling loops. Stable across wide operating temperature range. Non-corrosive, long service life.

Wide temp range

EV Battery Coolants

Engineered for battery pack thermal management in electric vehicles. Low electrical conductivity, high flash point, and compatibility with aluminum, copper, and common elastomers.

EV battery safe
In Depth

A closer look.

Servers immersed in ExxonMobil single-phase immersion cooling fluid

Immersion cooling, proven at the server.

ExxonMobil single-phase immersion fluids keep servers cool in direct contact with the electronics: PFAS-free synthetic chemistry, high dielectric strength, and thermal performance validated in production immersion tanks.

  • Full EM DC portfolio from 5 cSt to 31 cSt viscosity grades
  • PFAS-free synthetic chemistry
  • Improves PUE and extends hardware lifespan versus air cooling
ExxonMobil and Intel collaboration on data center immersion cooling

Qualified with Intel, deployed worldwide.

ExxonMobil develops its immersion cooling solutions in collaboration with Intel and with tank and infrastructure partners, giving operators a validated fluid path from proof of concept to hyperscale rollout.

  • Collaboration with Intel on next-generation immersion cooling
  • Ecosystem work with tank and cooling infrastructure partners
  • HeTone supports fluid selection and supply across Asia
Product Data

Representative product data.

Measured values from our application engineering materials. Contact us for complete datasheets and lot-specific certificates.

EMDC dielectric coolant series

Part numberBase oilSpecific gravity@15.6 °C · ASTM D4052Kinematic viscositycSt @40 °C · ASTM D445Flash point°C · ASTM D92TW fire-code class
EMDC 3152PAO 20.7985157Class 3 petroleum
EMDC 3220PAO 40.8219220Class 4 petroleum
EMDC 3235 SuperPAO 3.50.81714.3234Class 4 petroleum
EMDC 3250PAO 60.82731246Class 4 petroleum

Values from HeTone application engineering materials, request official datasheets for design sign-off.

Applications

Where ExxonMobil products are used.

Data Center Electric Vehicles Power Modules 5G Networking

Need dielectric or coolant fluid recommendations?

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