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Quality in length

Extrusion is a design technique Attema uses for thermoplastic profiles. In brief, extrusion is the pressing of a fluid mass through a moulding plate, followed by cooling, after which the product is cut to size. The production of corrugated tubes is a special type of extrusion. In that process, a smooth tube is given ring-shaped ribs. An extruder, a mould (with or without a calibrator) and a sequential line are required for the extrusion process.