In the process of producing lubricants and/or base oils the
byproduct of this process called Slack Wax. Slack wax are mixture
of oil and wax and depend on the origin of the material it may
contain up to *0% oil content. Slack Wax are waxes, materials which
have changing properties such as having solid state at room
temperature while liquefying at higher temperatures. Slack Wax from
different refinery has different properties, and the important
specifications are color, oil content and drop melting point.