company tower banner
Calumet Company Logo
HYDROCAL™ 45 naphthenic base stocks are produced exclusively by Calumet using a multi-stage hydrotreating process operating at pressures above 2500 psi. This process offers the unique ability to produce naphthenic base stocks that meet currently established performance standards as well as standards to be developed in the future.

End Uses: Compressor Oils, Cutting Oils, Gear Oils, Hydraulic Fluids, Manual/Automatic Transmissions Fluids, Metalworking Fluids

Fluids & Lubricants Type: Gear Oils & Lubricants, Greases, Heat Transfer Fluids, Hydraulic Oils & Fluids, Metalworking Fluids, Turbine & Compressor Fluids & Oils

Chemical Family: Naphthenics & Naphthalenes

Similar Products

  • TypeDocument Name
View All Documents

Knowde Enhanced TDS

Identification & Functionality

Fluids & Lubricants Functions

Features & Benefits

Product Highlights
  • Over 30 years of history manufacturing naphthenic base stocks
  • Broad range of viscosities available from 38 SUS @ 100°F to Bright Stock
  • All HYDROCAL products pass the IP346 Standard
  • Meets FDA 21 CFR 178.3620(c) requirements
Who We Are

Calumet Has Over 90 Years of Experience Producing Specialty Naphthenic Base Stocks

Specialized Expertise
WIth over 90 years of experience producing high-quality base oils, we’ve honed the craft of consistent, quality production.

Cost-Effective Supplier
Our centrally located base oil refineries and blending/distribution terminals offer convienient rail and truck access.

Forward Thinking
Ongoing investments support new product development, operational excellence and ISO-9000 qualityrelated initiatives.

Formulation Flexibility
With nearly 600 unique base oil products, our product portfolio offers a wide range of viscosity and solvency characteristics.

Proven Partner
Calumet base oils are used by top companies and well-known brands across the globe.

Research & Development
Our network of leading R&D and technical expertise is integrated into the development and support of every product we produce.

Applications & Uses

Applications
  • Metalworking Fluids
  • Heat Transfer Fluids
  • Hydraulic Oils
  • Compressor Oils
  • Gear Oils
  • Aviation Hydraulic Fluids
  • Cutting Oils
  • Greases
  • Automatic Transmission Fluids
Hydrocal Applications
  • Heat Transfer Fluids
  • Hydraulic Oils
  • Compressor Oils
  • Gear Oils
  • Aviation Hydraulic Fluids
  • Cutting Oils
  • Greases
  • Automatic Transmission Fluids
  • And Many More ...

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Carbon Type Analysis (Ca)9%ASTM D2140
Aniline Point65(149)°C(°F)ASTM D611
Carbon Type Analysis (Cn)51%ASTM D2140
Carbon Type Analysis (Cp)40%ASTM D2140
Clay Gel Aromatics Content31wt%ASTM D2007
Clay Gel Asphaltenes Content0wt%ASTM D2007
Clay Gel Polar Compounds Content0wt%ASTM D2007
Clay Gel Saturates Content69wt%ASTM D2007
Flash Point265°FASTM D92
ColorL0.5ASTM D1500
Refractive Index (at 20°C)1.4837ASTM D1218
Neutralization Number0.01mg KOH/gASTM D974
Pour Point-81°FASTM D97
Viscosity (at 100°C)1.7cStASTM D445
Viscosity (at 210°F)31.9SUSASTM D2161
Sulfur Content0.0054wt%ASTM D4294
Viscosity (at 40°C)5.5cStASTM D445
API Gravity (at 60 ºF)28ASTM D4052
Viscosity Index65ASTM D2270
Note
HYDROCAL™ Base Stocks are Available in a Wide- Range of Viscosities to Meet Your Specific Application

Regulatory & Compliance

Certifications & Compliance
Quality Standards
FDA Regulations

Complies with

FDA-21 CFR 178.3620 (c)