Expanded Polystyrene Recycling Pellet Production
EPS Styrofoam Foam Pelletizing Line for Scrap Densification, Melting, and Reusable PS Pellets
An EPS foam pelletizing line designed to turn bulky styrofoam scrap into dense recycled polystyrene pellets. The system combines crushing, extrusion, degassing, melt filtration, strand cooling, and pellet cutting to reduce logistics cost while creating line-ready PS regrind for downstream manufacturing.
Why Choose Pelletizing Instead of Only Compacting EPS
Cold pressing and hot melting solve the logistics problem. Pelletizing goes one step further by converting EPS into a more standardized downstream raw material.
Extreme Volume Reduction Before Final Pellet Output
Bulky foam scrap is crushed, melted, and converted into dense PS pellets, cutting storage and transportation inefficiency while creating a much easier material format for downstream reuse.
Reusable Pellet Form
Compared with blocks or ingots, uniform pellets are easier to package, dose, blend, and feed into injection molding, extrusion, or compounding systems.
Melt Filtration for Cleaner Output
Screen changing removes tape, labels, dust, and other residual contamination before the PS melt becomes finished pellet output.
Degassing Helps Stabilize Recycled Polystyrene Quality
Air, moisture, and volatiles are removed in the extrusion stage so the final pellet is denser, more stable, and better suited to secondary manufacturing use.
Higher Material Value Than Loose Foam Waste
Instead of shipping air or low-value loose scrap, you are producing a denser recycled PS product that is easier to market and transport economically.
Continuous Industrial Operation
The line is designed for steady EPS recycling work where feed consistency, filtration, and output quality matter more than one-step densification alone.
Where EPS Pelletizing Lines Fit Best
This system is intended for processors who want not only to reduce volume, but also to convert EPS scrap into a more standardized recyclable polymer output.
Packaging Foam Scrap
Processes appliance packaging, protective inserts, corners, and loose cushioning EPS collected from logistics and distribution operations.
Fish Boxes and Food Containers
Suitable for seafood boxes and insulated food packaging after material sorting and reasonable cleaning control.
Construction and Insulation EPS
Handles insulation board offcuts, construction waste foam, and production scrap from EPS shaping and installation work.
Electronics and Appliance Packaging
Works for the large-volume protective EPS generated by consumer electronics, refrigerator, and washing machine supply chains.
Dedicated EPS Recyclers
Useful for facilities that want to produce pelletized recycled PS instead of only selling compacted blocks or hot-melt ingots.
Centralized Collection Hubs
Fits transfer stations and central foam collection points where logistics efficiency and downstream resale value both matter.
How the EPS Pelletizing Process Works
The line turns extremely low-density styrofoam into uniform PS pellets through a staged sequence built for stable melt quality and controllable output.
Crush and Feed the Foam
Large EPS boxes, sheets, and blocks are broken into smaller flakes or chips that can be conveyed and fed more consistently into the extruder.
Melt and Degas the Material
The single-screw extruder melts the EPS while removing air and volatiles so the recycled polystyrene becomes denser and more stable.
Filter the PS Melt
A hydraulic screen changer removes labels, dirt, tape, and other contaminants before the melt enters the pelletizing zone.
Cool the Strands
The molten polystyrene exits through the die, forms strands, and passes through controlled cooling before cutting.
Cut Uniform Pellets
A strand pelletizer cuts the solidified material into dry, reusable PS pellets ready for bagging, storage, and downstream use.
EPS Pelletizing Line vs Hot Melt Densifier vs Cold Press
All three solutions reduce EPS volume, but they serve different business goals depending on whether your priority is logistics reduction, resale format, or downstream manufacturing use.
| Decision Factor | EPS Pelletizing Line | Hot Melt Densifier | Cold Press |
|---|---|---|---|
| Final Output | Uniform PS pellets for easier dosing and downstream processing | Dense ingots or blocks | Compressed blocks |
| Volume Reduction | Very high, plus conversion into standardized raw material | Very high densification | High compaction with lower energy use |
| Best Business Goal | Produce recyclable PS pellets with higher downstream flexibility | Simplify logistics and sell dense ingots | Reduce transport cost with a cleaner low-energy process |
| Process Complexity | Highest, because it includes crushing, extrusion, filtering, cooling, and pelletizing | Medium | Lowest |
| Downstream Reuse Convenience | Best when buyers or internal lines prefer pellets instead of blocks | Moderate | Moderate |
Machine Specifications
This capacity range is intended for medium-duty EPS recycling projects where pellet resale or pellet reprocessing is the target output format.
| Model | Capacity | Crusher Power | Main Extruder Power | Total Power |
|---|---|---|---|---|
| EPS-150 | 120 - 150 kg/h | 7.5 kW | 22 kW | Approx. 45 kW |
| EPS-200 | 180 - 220 kg/h | 11 kW | 37 kW | Approx. 65 kW |
| EPS-300 | 250 - 300 kg/h | 15 kW | 55 kW | Approx. 90 kW |
Equipment Operation Showcase
Reference views of the extrusion line, strand discharge, pelletizing section, and finished recycled polystyrene output.
Technical Support and FAQ
These are the questions most buyers ask when they are comparing EPS pelletizing against simpler densification options.
Pelletizing not only reduces volume, but also converts EPS waste into a more standardized recycled PS material that is easier to package, dose, transport, and use in downstream processing.
It can tolerate light contamination with the help of filtration and degassing, but heavily soiled EPS still benefits from sorting, cleaning, or pre-treatment to protect the line and improve pellet quality.
The most important factors are feed cleanliness, stable melting, degassing efficiency, screen filtration, and accurate strand cooling and pellet cutting.
Often yes, because pellets are usually easier to meter, blend, store, and feed into later processing equipment. The better option depends on how the buyer or your own downstream line wants to receive recycled PS.
Please share the foam type, contamination level, moisture condition, expected throughput, available power, and whether your target product should be pellets, ingots, or compacted blocks.
Start Recovering More Value from EPS Foam Waste
Send us your foam type, feed condition, target capacity, and preferred output format. We will recommend whether this pelletizing line, a hot melt densifier, or a cold press is the better fit for your EPS recycling workflow.
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