Specialty Products

Rock Valley Oil & Chemical Company is capable of manufacturing specialty products to meet your needs, including Viscor™ Calibration Fluids and Viscor™ Reference & Filter Test Fluids. All specialty products are available in 5-gallon pails, 55-gallon drums, totes and in bulk.

Contact us with any further questions regarding product recommendations and custom product orders.


VISCOR™ 1487

Diesel calibration fluids that meet SAE J-967 and ISO 4113 specifications.

VISCOR™ 1487AW-2

Diesel calibration fluids that meet SAE J-967 and ISO 4113 specifications.

VISCOR™ 3112, Type II

High viscosity diesel calibration fluid that meets the requirements for HEUI and Ford Powerstroke.

VISCOR™ 16-A

Gasoline calibration fluids

VISCOR™ 16-B

Gasoline calibration fluids

VISCOR™ 16-BR

Gasoline calibration fluids

VISCOR™ 7024E, Type II

Calibration fluids that meet the MIL-PRF-7024E, Type II Military Specification for calibrating aviation fuel system components.

VISCOR™ Cup Kit

Kit tests the viscosity of VISCOR™ Diesel Calibration Fluids to insure the fluid is within the SAE and ISO specifications.

VISCOR™ RFO 3-93 Oil Filter Test Fluid SAE J 1260

An Engine Oil Reference Fluid for use in SAE J 806 and SAE J1260 test procedures.

VISCOR™ L4264V-96 Fuel Filter Test Fluid/SAE J 1696

A Diesel Fuel Reference Fluid for use in SAE J 905 and SAE J 1895 test procedures.

Air Filters

We manufacture a variety of Air Filter Saturants and Coatings developed for increasing and improving filter efficiency and dirt load capacity. Contact us to learn more.