Plastex Plastex Plastic Repair Kits Replacement Applicator Tips. 4 per pack. Plastex is a revolutionary product that makes even difficult repairs quick and easy. Plastex can be sanded and painted and does what other glues and adhesives cant. You can easily glue, fill gaps, repair stripped threads, and even remake tabs or small parts. Plastex has a reusable molding bar that gives you the ability reproduce detailed or textured plastic parts quickly and with ease. Plastex is a simple powder and liquid process (No Mixing Ratio) that when combined makes a plastic and bonds broken pieces back together at a molecular level. Plastex works on most RIGID plastics and fiberglass including ABS, Polycarbonate, Acrylic, FRP, SMC, Bakelite, Composites, Carbon Fiber and even wood. Plastex is great for the shop, garage, house, office or to keep in the car or RV to use on the road. PLASTEX is the originator of the technology we use in our repair kits, including our very unique reusable molding bar.