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

Plastic Recycling Industry News

Material and market news for the plastic recycling industry — which plastics can be recycled and how, how PET, HDPE and PP feedstock quality is changing, and what recycled-content targets mean for recyclers planning new capacity. Background reading for the investment decision that comes before the plastic recycling machine specification.

16 Guides & explainers PET / HDPE / PP / PVC Materials covered 20+ Years of line-building experience
Recycling symbols 1-7 blog cover showing resin identification codes and industrial plastic sorting 13 Aug
Industry News | SUHUI Machinery

Recycling Symbols 1-7 and What Each Number Means

The numbered triangle on a plastic product is a resin identification code, not a recycling promise. This article explains where the codes came from, what each of the seven stands for, why the same number is collected differently from country to country, and what an industrial sorting line actually reads instead of the printed mark.

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