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How Is Pen Made? [Solved]
They can be produced by either extrusion or injection molding. In each approach, the plastic is supplied as granules or powder and is fed into a large hopper. The extrusion process involves a large spiral screw, which forces the material through a heated chamber, making it a thick, flowing mass.
How Are Pens Made?
Plastic
How Highlighter Pens Are Made | Insider
Highlighter
Process Of Making Whiteboard Markers. Pen Factory In Korea
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