MOTOREX COOL-X is a ready-to-use coolant with corrosion protection for high-performance spindles.
The ingredients passivate the various materials and protect them against corrosion in the long term. COOL-X is a very efficient coolant with a specific heat of 4.1 J / g-K, which is almost as good as that of water (4.187 J / g-K).


  • Ready to use
  • Very efficient
  • Heat dissipation
  • Prevents electrochemical corrosion
  • Effectively protects aluminum, nonferrous and ferrous metals against corrosion
  • Galvanized parts are not attacked
  • Low maintenance
  • Compatibility with the plastics and sealing materials commonly used in mechanical engineering tested and confirmed
  • Volume: 25L canister
  • Also available as: 60L, 198L barrel


  • COOL-X is ready to use, 11% concentration. do not add any water.
  • An average operating temperature of 20 - 25 ° C is very effective in protecting elastomers in the long term.
  • If the conditions of use are optimal and the instructions for use are complied with, the coolant can remain in use for up to 2 years storage Store the MOTOREX COOL-X closed in the original container at 5 - 35 ° C.
  • In general, MOTOREX COOL-X should not be exposed to temperatures below 0 ° C.
  • It freezes at a temperature of - 9 ° C.
  • If the MOTOREX COOL-X is exposed to frost during transport and freezes, it can reach temperatures of min. + 5 ° C can be thawed again.
  • Make sure that the liquid is completely thawed.
  • Shake the container well after thawing.
  • The max. storage time in the closed original container is 1 year.


  • COOL-X must be checked periodically in accordance with the specifications of the spindle or machine manufacturer (please note the maintenance instructions on the back).
  • If a third-party product is to be replaced by COOL-X, the cooling system must be replaced with 3% CS-CLEANER for 48 operating hours be treated.
  • Please note the maintenance instructions of the spindle manufacturer.

Note: You can find the Motorex CS Cleaner here !

Technical specifications

  • ​Color (DIN ISO 2049): fluorescent green
  • Density at 20 °C  (ASTM D 4052): 1.010 g/ml
  • PH value range (DIN 51785): 8.0 - 8.7
  • Solidification point (ASTM D 5950): -9 °C
  • Application range: 4 - 80 °C
  • Reading value of refractometer:  *1.9 % Brix-1
  • Water hazard class: WGK1
  • Disposal code: VeVA / EWC 120109

MOTOREX COOL-X Coolant for spindle cooling systems, ready to use 25l