Two-part epoxy used to repair most flexible plastic parts, including bumper covers and other plastic body panels. This product should NOT be used with SMC/fiberglass. This product is easy sanding and formulated for excellent featheredge. 3M Automix EZ Sand Flexible Repair material offers a 10 minute worktime and can be sanded with grade 180 abrasives in 30 minutes resulting in an excellent featheredge. The convenient self mixing feature of part number 05887 ensures proper product ratio every time, increasing productivity. It is recommended that 3Ms Polyolefin Adhesion Promoter 05907 be used when working with polypropylene and ethylene propylene interior and exterior parts. There are two recommended applicator guns. They are the MixPac Manual Applicator 08117 or the MixPac Pneumatic Applicator 09930.