sule 66Solvent 140 is one of the variants of mineral spirits classified under Rule 66. General Characteristics: Appearance: Clear, colorless liquid Chemical Composition: HydrocarbonRule 66 | Consolidation of Civil Actions and Separate Trials. 66.01 | Consolidation; 66.02 | Separate Trial; Rules - Circuit Civil Find a CourtPerson Search a Location. City Zip. or. Select