Tanque de Separación de hundimiento y flotación para Reciclaje de plástico
This tank separates plastics by density using water as the medium. It enables accurate PET and PP/PE sorting while simultaneously cleaning the flakes, making it a core machine in modern recycling lines.

Plastic Flake Separation Tank Principles & Applications
Materials above water density sink while lighter materials float, enabling two common separation goals in PET and mixed plastic lines.
Separating Sinking Plastics (e.g., PET, PVC)
PET flakes sink while PP and PE caps float. A bottom screw conveyor collects clean PET and top drums remove floating contaminants.
Separating Floating Plastics (e.g., PP, PE)
PP and PE float while heavier PET and PVC sink. Top paddles or drums guide the floating fraction for collection.
Key Advantages of Our Sink-Float Separation Tank
Alta Pureza de Separación
Density-based sorting provides stable accuracy for cleaner flakes and higher-value recycled output.
Water Saving Design
W-shaped bottom layout forms multiple cleaning zones to improve washing efficiency with lower water consumption.
Doble funcionalidad
Separates and cleans in one step while removing heavy contaminants such as dirt, sand, and metal particles.
Construcción duradera
Type 304 stainless interior and reinforced carbon steel frame provide long service life in wet recycling environments.
Sink-Float Tank Technical Specifications
| Característica | Rango de Especificaciones |
|---|---|
| Ancho interior | 1000 mm to 2000 mm |
| Longitud total | 4 to 7 meters |
| Material interior | Acero inoxidable tipo 304 |
| Marco exterior | Acero carbono |
| Conveyor Paddle Motors | Customized by application |
| Proceso de dar un título | Certificación CE disponible |
All parameters including motor configuration are customizable based on material type and target throughput.
Plastic Density Separation Equipment Gallery

FAQs About Plastic Float-Sink Separation
Yes. The principle is the same, but we configure discharge and collection modules based on your primary target material such as PET or PP and PE. Often, they work in conjunction with earlier label removers or friction washers.
It creates staged cleaning zones. The first zone traps most heavy contamination, so the following zone stays cleaner for longer and needs fewer water changes.
Type 304 stainless steel is highly resistant to rust and corrosion, which helps maintain machine life and reduces contamination risk in wet operation.
Separation Tank Warranty and Installation
Garantía limitada de 1 año
Each recycling machine includes a one-year limited warranty for dependable startup and operation.
Asistencia experta para la instalación
Brindamos soporte remoto y en sitio para instalación, puesta en marcha y capacitación de operadores.
Solicitar información
For latest pricing and lead time of customizable sink-float tanks, contact us via the form below.




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