The die assembly generally comprises an adapter plate, one or more transition plates, and the die plate. The polymer extrusion is formed as it moves through the assembly, starting at the adapter plate and finishing at the die channels. The adapter plate is used to attach the die to the extrusion machine. Transition plates guide and shape the material, ensuring a smooth flow and consistent quality. The die plate ultimately forms the final shape of the extruded product. Precision engineering and high-quality materials in the die assembly are crucial for achieving optimal extrusion performance and product consistency.