Knowledge Base Articles

Oil analysis is a valuable tool for determining the condition of lubricating oil and the equipment it lubricates. It is best used as a...

For more than 23 years, Isel’s unique approach to lubricant manufacturing has combined detailed knowledge of refrigeration systems with one of the most agile...

In 2020, Isel joined the DuBois Chemicals team! DuBois/Isel is proud to continue the tradition of manufacturing refrigeration solutions specializing in private-label, high-technology, and tailored products...