Self-Etch Primer is a two part self etching and passivating primer. This system provides excellent protection against corrosion to bare metal, thereby eliminating the need for metal conditioning. Self Etch Primer features an easy mix ratio and requires no induction time prior to using. Mixing 6111/6121/Acetone @ 1:1:2 complies with S.C.A.Q.M.D. Rule 1151 for Group 1 and Group II vehicles for use as a pre-treatment/wash primer.* Product Type: Primer Activator/Hardner used: 6121-F .