Nov 26, 2025 · Extrusion is a continuous process through which parts of a fixed cross-sectional profile are made. Material is fed through a hopper into an extruder, essentially a rotating screw surrounded …

1 day ago · Plastics Technology covers technical and business Information for Plastics Processors in Injection Molding, Extrusion, Blow Molding, Plastic Additives, Compounding, Plastic Materials, and …

Jul 29, 2016 · All extrusion processes experience molecular orientation due to the inherent strain applied to the long-chain molecules as the polymer is shaped and flows through the die.

Nov 26, 2025 · Film extrusion is divided into two subcategories: cast film (flat film) and blown film. In cast film extrusion, hot plastic is extruded through a flat, slit die onto a polished chill roll where it is …

Nov 14, 2025 · Pipe is formed when plastics is extruded through a round shaping die, cooled in a water bath, and either cut and coiled. Used in manufacture of medical tubing; PVC pipe; HDPE pipe; …

Oct 10, 2025 · Plastics Extrusion Expert Jim Frankland, President of Franklin Plastics Consulting, delves into solutions and troubleshooting for film extrusion, sheet extrusion, pipe, profile and tubing extrusion.

Jul 7, 2025 · Sheet extrusion includes manufacture of industrial plastic sheet; packaging sheet; thin-gauge sheet; thick-gauge sheet; thermoformed sheet.

Jan 1, 2009 · Stop Die Buildup Die buildup, also called die drool, die bleed, or plate-out, can plague any extrusion process.

Nov 28, 2011 · How Much L/D Do You Really Need? Just like selecting the extruder size and drive combination, the L/D should be carefully evaluated.

Apr 16, 2021 · Solve Five Common Problems in Blown Film Coextrusion The blown film industry has evolved from monolayer film structures to multilayer ones for a variety of food and non-food …