Soluble Coolants

Castrol Hysol 39 CBF

Castrol Hysol 39 CBF High performance semi synthetic metalworking fluid.


Castrol Hysol 39 CBF is a high-performance semi-synthetic metalworking fluid which is boron and chlorine-free. It contains an additive package that works in synergy to enhance machining performance and surface finish, provide excellent product stability, improve bio-resistance properties and lower the overall operations costs.

Castrol Hysol 39 CBF is suitable for large central systems and single sump machines.


Castrol Hysol 39 CBF is specially designed for the machining of aluminium alloys and yellow metals. The product can also be used for machining of low-medium alloyed steel.


Castrol Hysol 39 CBF Semi-Synthetic Metalworking Fluid Advantages:

  • Boron free for environmental compliance and improved residue characteristics
  • Chlorine and nitrite free to fulfil your local legislation, waste treatment and environmental requirements
  • Resists fungal and bacterial attacks to extend fluid life and reduce maintenance and machine downtime
  • Low foam in recommended water conditions
  • Lubrication package specifically designed to enhance tool life and improve surface finish in aluminium machining
  • Excellent wetting properties reduce coolant drag out and deliver clean machine tools and components
  • Suitable for a wide range of materials results in product consolidation
Mineral oil20-40%
Concentration range5-10%
Metal typeAluminum, Cast Iron, Low / Med alloy steel, Yellow Metal
Multi metals suitableYes
Ester/EP additivesYes
Formulated without Chlorinated ParaffinYes
Formulated without BoronYes
Product typeMetal Working Fluids
Applicable to these sectorsAutomotive Manufacture, Machinery, Metal Goods

Grinding 6-7%
General Machining 6-8%
Drilling 7-9%
Reaming and tapping 8-10%
Broaching 8-10%
Water range 100-800 ppm CaCO3

To avoid product deterioration, keep the container/drum tightly sealed always. Prevent any frost and water ingress. Store it in a cool and dry place away from direct sunlight. It is preferable to store the product indoors always. For more details, please refer the product safety data sheet.

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Safety Data Sheet 

Product Data Sheet


Castrol Hysol 39 CBF metalworking soluble cooling fluids

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