Inventro Polymers offers Polyurethane Cast Tube for Prototype Parts. Inventro Polymers supplies rubber, PTFE [Teflon] and engineering plastic items. Polyurethane Cast Tube for Prototype Parts makes excellent roll covers when press fitted over metal cores. Polyurethane Cast Tube for Prototype Parts is also converted into gaskets, seals and rings. These standard cast tubes are 300 mm long. The inside diameter of these tubes are 1", 1-1/4", 1-1/2", 1-3/4", 2", 2-1/4", 2-1/2", 3" and outside diameter are 2" 2-1/4" 2-1/2", 2-3/4", 3", 3-1/4", 3-1/2", 3-3/4", 4".
