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 with66.9 Issue of licences, certificates and ratings (a) The Director may issue a licence, certificate, or rating under the Act and this Part if the Director is satisfied that— (1) the applicant is a fit