3M 05883 Rigid Parts Repair Tube Kit - 5 oz. 3M Automix EZ Sand Rigid Parts Repair, 05883, 5 oz Tube Kit Two-part epoxy used to repair SMC, FRP (traditional fiberglass), and other rigid plastic part his product is designed for use as a filler and an adhesive It is epoxy-based for easy sanding and is formulated for excellent featheredging. 3M Automix EZ Sand Rapid Parts Repair material offers a 10 minute work time