Formula 21 products are formulated with Pliogrip Adhesives, which are used many OEM’s in their manufacturing processes. Structural Adhesive has a 3.5 minute work time and a clamp time of 10 minutes. May be sanded / painted in 30 minutes. 7.3 fl oz. Includes two GTMN mixing nozzles. Application also requires GTSU 2-Part Universal Applicator Gun or equivalent. Applications: Ground Effects, Spoilers, Flares, Skirts, and Other After-Market Parts