Two-part epoxy that is used to repair SMC, FRP (traditional fiberglass), and other rigid plastic parts. This product is designed for use as a filler and an adhesive. It is epoxy-based for easy sanding and is formulated for excellent featheredge. The convenient self-mixing feature of part number 05885 insures proper product ratio every time, increasing productivity. There are two recommended applicator guns. They are the MixPac Manual Applicator 08117 or the MixPac Pneumatic Applicator 09930.