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PET and HDPE sink-float separation uses the different behavior of the two plastics in water. In this lab test, mixed flakes enter a small tank, and separate outlets collect the sinking PET and the floating HDPE.
How the tank separates PET and HDPE
The test gives recyclers a way to observe the two fractions before specifying a production tank. Use the clip to see how each fraction exits, a useful detail when planning where the material goes next.
Learn more about our sink-float separation tank.
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