"Finish primer surfacer" means, for purposes of 35 Ill. Adm. Code 218 and 219, a coating applied with a wet film thickness of less than 10 mils prior to the application of a topcoat for purposes of providing corrosion resistance, adhesion of subsequent coatings, a moisture barrier, or promotion of a uniform surface necessary for filling in surface imperfections.
Ill. Admin. Code tit. 35, § 211.2320
Added at 34 Ill. Reg. 14119, effective September 14, 2010