Recycled plastic pellets leaving the die face of a SUHUI pelletizing line
Knowledge base

Plastic Recycling Industry Blog

Buyer's guides, process explainers and industry news for anyone specifying plastic recycling and extrusion equipment — how shredders, washing lines and pelletizing lines are configured around a given feedstock, and which plastics can realistically be recycled at scale.

16 Guides & explainers PET / HDPE / PP / PVC Materials covered 20+ Years of line-building experience
What are PET flakes blog cover showing washed PET bottle flakes and an industrial PET recycling washing line 06 Aug
Tecnología | SUHUI Machinery

What Are PET Flakes and How Are They Graded

PET flakes stop being waste and become a traded commodity about two thirds of the way through recycling, with a price per tonne and a specification sheet attached. This guide covers what is on that sheet, which numbers the recycling line produces and which the buyer's contract sets, which stage of a washing line locks in each one, and how to check a lot before you sign for it.

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Friction washer blog cover for cleaning plastic flakes in a plastic recycling washing line 03 Aug
Tecnología | SUHUI Machinery

How a Friction Washer Cleans Plastic Flakes

A friction washer is the mechanical scrubbing stage in a plastic washing line. This guide covers what it removes from the flake surface, how its job splits with the hot caustic tank and the rinse tank, why its position in the sequence changes between film and bottle streams, and what it cannot fix at any setting.

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Vacuum calibration table blog cover for pipe and profile extrusion accuracy 26 Jul
Tecnología | SUHUI Machinery

Cómo la Mesa de Calibración al Vacío Mantiene la Medida de Tubería y Perfiles

Al salir del cabezal, la tubería y los perfiles todavía están lo bastante blandos como para deformarse. La mesa de calibración al vacío los mantiene en medida mientras el agua de enfriamiento fija la forma. Esta guía explica cómo trabajan juntos el vacío y el enfriamiento, en qué se diferencia una mesa de calibración de un tanque de dimensionado, y qué falla cuando el herramental o la alineación no están bien.

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