Hydrocal Naphthenic Base Oils are produced in a multistage hydrotreating process operating at pressures above 2500 psi. This process offers the unique ability to produce naphthenic base oils that meet currently established performance standards as well as those to be developed in the future.

Calumet offers the following Naphthenic Base Oils:

  • Hydrocal Naphthenic Base Oils
  • Hydrosol Naphthenic Base Oils
  • HR Tufflo Naphthenic Base Oils
  • CALSOL 8 Series - High VGC Process Oils
  • CALSOL 5 Series - Nonstaining Oils

Calumet also offers a comprehensive line of Synthetic Lubricants/Esters. For more information visit our Synthetic Lubricants.

We have many unique products and solutions for your particular application. If you have questions regarding these products, please contact This email address is being protected from spambots. You need JavaScript enabled to view it. or call us at 1-800-437-3188.

  Hydrocal Base Oils Data Sheet
  Calsol Process Oils Data Sheet

Arctic Lubricating Oils
Automatic Transmission Fluid Base Oil
Aviation Hydraulic Fluids
Bar & Chain Oils
Compressor Oils
Cutting Oils
Dedust Oil
Defoamer Oils
Diluent Oils
Electrical Transformer Oils
Fluidity Oils
Fog Oil
Fuel Conditioners
Gear Oils
Grease Base Oils
Heat Transfer Fluids
Hydraulic Oils
Industrial Lubes
Leather Tanning
Metalworking Fluids
Printing Ink Oils
Railroad Engine Oils
Refrigeration Oils
Sulfonate Diluent Oil
Water Treatment Products
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