Extrusion is a process where a plastic material, with the desired additives, is melted and formed in a continuous process. The raw material in the form of granulates is compressed by a rotating screw and forced into a heated barrel. The molten material is then pushed through the die, giving the final product the desired profile and shape.

At BNL machines, we supply and service extrusion machines for all sheet and board applications from Battenfeld-Cincinnati.