Tag Archives: plastic extrusions

What is the Process of Plastic Extrusion?

EXTRUSION plays a prominent part on the plastics industry. Extrusion, unlike moulding, is a continuous process, and can be adapted to produce a wide variety of finished or semi-finished products, including profile, sheet, film, covered wire and pipe. The process of plastic extrusion begins with the placement of raw resin into the extruder’s hopper. If the...
Read more

What is Profile Extrusion?

  Harkness Industries produces several resins suitable for profile extrusion. The extrusion process for profiles is similar to sheet extrusion. The resin is fed into an extruder which melts the material and forces it through a die that gives it the desired shape. Additional processing is necessary to give the extruded profile its final contours. Profiles may...
Read more