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White Accu-Cool 342 Bucket With Zip-Chem Cloud Logo


Accu-Cool® 342 is a heat transfer fluid which meets the BMS 3-42 criteria.

Accu-Cool® 342 is designed specifically for use on the Boeing 787 aircraft.

Accu-Cool® 342 is designed to provide heat transfer for the Integrated Cooling System (ICS), Power Electronic Cooling System (PECS), and the optional Forward Cargo Air Conditioning System (FCAC).


Accu-Cool® 342 is applied on 787 aircraft using specifically designed ground support equipment (GSE) for filling the reservoirs which hold the heat transfer fluid.

Accu-Cool® 342 is available in packaging specifically approved for use with this specialized GSE.


Accu-Cool® 342 is on the QPL for BMS 3-42.

Accu-Cool® 342 is registered with the NSF as a heat transfer fluid where there is the possibility of incidental food contact.

Physical Properties

  • Boiling Point: 226° to 239°F (108° to 115°C)
  • Color: Orange
  • Density @ 77F: 1.0445 to 1.0485 g/cm3
  • Flash Point: No Flash Point
  • Freeze Point: -46°F to -60°F (-43°C to -51°C)
  • pH: 8.0 to 10.5
  • Refractive Index: 1.3966 to 1.4008
  • Reserve Alkalinity: 5.1 Minimum
  • Shelf Life: Unlimited
  • Viscosity: 5.64 to 6.49 cps @ 85°F


1 Gallon Bottles (011098 For a Case of 4)

5 Gallon Pails (011097)

55 Gallon Drums (011370)

330 Gallon Totes (011371)

Other packaging upon request

Download technical data sheet of Accu-Cool® 342 by clicking on the TDS button below

Contact Zip-Chem® Products

Contact Zip-Chem® Products to request Accu-Cool® 342 packaging and the Accu-Cool® 342 SDS.

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