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The sink-float tank serves as a highly effective plastic separator, purposefully designed for segregating materials based on their density. This ingenious system is adept at buoying lightweight materials such as LDPE, HDPE, and PP to the surface, while simultaneously sinking heavier counterparts like PVC, PET, and PC to the bottom. Tailored to specific applications and customizable in terms of size and hourly processing capacity, the sink-float tank ensures precise separation, making it an optimal choice for sink-float and plastic separation processes.


A Sink FLoat Tank is ideal for PE/PP/PET/PVC/ABS/HIPS/PC bottle recycling.

The PET Flakes will sink to the bottom while other material such as plastic wrapper and bottle cap flakes with float, Another application is mixed plastics streams.

Rigid PP/PE or film has a lower density making the plastics float while contaminatnt particles with sink to the bottom to be discarded.

  • Effective separation of different specific densities
  • Dosage unit for density adhjustment of the water with salt for example.
  • Compact design


Sink float Tank
Roller Paddle

Technical Data

Tank Width (mm) 1000 1500 1800 2200
Tank Length (mm) 3000 4000 5000 5000
No. of Paddle 3/4 3/4/6 4/6/8 4/6/8
Total Power (HP) 1.5 3 7.5 10
Production in LDPE (kg) 300 500 750-1000 1500-2000
Production in PP/PET (kg) 400-500 800-1000 2000-3000 5000-6000