Custom Molded Polyurethane Products | Vulkollan | Pleiger Plastics Custom, polyurethane products, Pleiger, plastics, Vulkollan, performance urethane, screen printing squeegees, rollers, cast urethane, molded urethane, elastomers, FDA approval, polyurethanes, high temperature Located in western Pennsylvania, USA, Pleiger Plastics manufactures custom cast polyurethane products & parts to your specification and need.