sule 66Product Calumet Mineral Spirits, Rule 66 1. Chemical Product and Company Identification Trade Name of this Product Calumet Mineral Spirits, Rule 66 Synonyms: 0415-00 MSDS ID19024 M I N E R A L S P I R I T S 663 Revision 10 2025 Mineral Spirits 663 is a medium-boiling aliphatic solvent consisting primarily of C9-C12 saturated hydrocarbons with