sule 6619024 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 withRevision 6 of this AC adds a note on the on application process and updates the sections on rule 66.7 Application for licences, certificates, and ratings, rule 66.9(a)(1) Fit