Pipe, Profile & Tubing Extrusion

Pipe is formed when plastics is extruded through a round shaping die, cooled in a water bath, and either cut and coiled. The most commonly used pipe materials are PVC and high-density polyethylene. Rigid PVC pipe is commonly used in building and construction for drain, waste and vent applications, and is processed on specialty twin-screw extruders; HDPE pipe is used for a wide range of industrial, electrical and drainage applications. Flexible pipe is often considered tubing. Tubing can be used in industrial (hoses), food (straws), medical (catheter) and a variety of other applications. Profile extrusions are typically used for windows, doors, siding and are typically made of PVC.

Knowledge Center

Insights into plastics technologies from industry experts.

Article

PART ONE How to Determine Viscosity Data Using a Slit-Die Viscometer

Using a slit-die viscometer connected to a lab extruder can generate accurate data on melt viscosity at various shear rates and temperatures, a useful QC tool in processing.

Article

Call for Papers: Extrusion 2019

Stage is set as conference devoted to all things extrusion heads for Chicago. Interested in speaking? Let us know by Feb. 22.

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Extrusion: Software Simulates Extrudate Cooling and Shrinkage

Eliminates need for processors to purchase two separate software packages for simulating the flow inside the die and for predicting the extrudate cooling.