Ill. Admin. Code tit. 35 § 211.5062
"Pretreatment wash primer" means:
For purposes of Subparts HH of 35 Ill. Adm. Code 218 and 219, the first coating applied to bare metal if solventborne primers will be applied. This coating contains a minimum of 0.5 percent acid, by weight, is necessary to provide surface etching, and provides corrosion resistance and adhesion;
For purposes of Subparts F of 35 Ill. Adm. Code 218 and 219, a coating that contains no more than 12 percent solids by weight and at least 0.50 percent acids by weight, is used to provide surface etching, and is applied directly to fiberglass and metal surfaces to provide corrosion resistance and adhesion of subsequent coatings.
Ill. Admin. Code tit. 35, § 211.5062
Renumbered from Section 211.5061 and amended at 34 Ill. Reg. 14119, effective September 14, 2010