Author Archives: hcscrew

Comparison Of PVC, UPVC, PP, PE, PPR, And PEX Pipes

We discuss differences, characteristics, scope of use of plastic polyvinyl chloride PVC pipe, UPVC pipe, PP pipe, PE pipe, PPR pipe, and PEX Continue reading

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What Makes Your PVC Profiles So Brittle?

In this article, we introduce reasons rigid PVC profiles brittle and give solutions from fillers, formulations, stabilisers, lubes… Continue reading

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PVC Profiles With Bubbles, Cracks, And Pockmarks: How To Fix Them?

Introduce PVC profiles with bubbles, cracks, and pockmarks problems. Main reasons, provide effective solutions, extruder barrel venting port Continue reading

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Is There A Common Screw Design Can Process All Polymers?

Plastics can be processed very differently. It’s why no common screw design for all polymers. Here HDPE processing screw design as example Continue reading

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What Does a Plastic Extruder Barrel Do?

Extruder barrel are crucial to the process. Barrel heating system cooling system, feeding opening…help you optimise the screw and barrel. Continue reading

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Screw Barrel For PVC Processing: FAQ and Solutions

Tell common problems with conical twin screw design high filling calcium powder use in PVC product processing. solution to extend screw life Continue reading

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6 Basic Functions Of Extrusion Screw Barrel Process

Plastic extrusion process screw barrel have 6 basic functions of design: addition – conveying – compression – melting – mixing – venting Continue reading

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What Is HDPE Pipe? What is it used for?

Explain the differences between polyethylene PE pipe and HDPE pipe. By understanding PE materials, we can optimise screw barrel design. Continue reading

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Damage on Screw Barrel of Extruders: 4 Main Causes

Describe four causes of screw barrel damage. Extruder operators need to understand screw barrels they use and how to maintain them. By HUACHEN Continue reading

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