Tag Archives: twin screw extrusion

‘SSSP’ Technology Is Finally Commercial

By Jan H. Schut Solid State Shear Pulverization, which chills a co-rotating twin-screw extruder below the softening temperature of plastic rather than allowing it to melt, is finally commercial after more than 20 years of R&D. Zzyzx Polymers LLC, Allentown, … Continue reading

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New Melt Pump Invention Needs No Inlet Pressure

By Jan H. Schut A new melt pump concept-the first counter-rotating twin-screw melt pump-was introduced at last year’s K Show by Henschel GmbH in Kassel, Germany (www.henschel.de). Melt pumps, which create pressure between a co-rotating twin-screw compounding extruder and die, … Continue reading

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