Plastic extrusion companies support a global industry valued at more than $185 billion, with the North American market accounting for 21% of that volume.
The Extrusion Process
The plastics extrusion process begins with resin in a hopper being fed into a barrel. A screw within the barrel mixes, heats and pushes the resin through a die that creates the product’s desired shape. Heating bands or cooling devices can be used to regulate the temperature of the resin in the barrel.
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