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GLOSSARY

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Saybolt Furol viscosity

A viscosity test similar in nature to the Saybolt Universal viscosity test but one more appropriate for testing high=viscosity oils. Certain transmission and gear oils, and heavy fuel oils are rated by this method. The results obtained are approximately 1/10th the viscosity which would be shown by the Saybolt Universal method.

Short ton

An avoirdupois measure of weight equal to 2,000 lbs

Sludge

Deposits in fuel tanks and caused by the presence of wax, sand, scale, asphaltenes, tars, water, etc.

Soluble

Matter or compounds capable of dissolving into a solution

Solvent

A substance, normally a liquid, which is capable of absorbing another liquid, gas, or solid to form a homogeneous mixture.