EPS is also called Styrofoam in America and has a wide application, so there are many EPS/Styrofoam factories in America. Just like many other products, there would also be substandard Styrofoam products and Styrofoam scraps and edgings during Styrofoam production. Therefore, it’s necessary for the Styrofoam factories to do Styrofoam/EPS recycling.EPS, commonly known as Styrofoam in the United States, is widely used in packaging, insulation, and protective applications. As a result, EPS manufacturers often generate production scrap, off-cuts, and defective products during the manufacturing process. Efficient recycling of this material is essential for reducing waste and improving resource utilization.

A U.S.-based EPS manufacturer implemented a customized GREENMAX EPS compactor designed to handle large volumes of foam waste. The solution includes an EPS compactor, dual conveyor systems, a large storage silo, and an automatic cutting device, creating a more efficient and continuous recycling process.

The recycling process begins with a crusher that reduces oversized EPS scraps into smaller pieces. The material is then transferred by a conveyor into a large silo, which acts as a buffer storage system. By maintaining a consistent material supply, the silo helps ensure stable feeding and uninterrupted operation of the compactor. A second conveyor transports the material from the silo directly into the compaction unit, where the foam is compressed into high-density EPS blocks. This continuous feeding process helps improve block density and maintain consistent output quality.

To further streamline operations, the system is equipped with an automatic cutting device at the discharge end. The cutter quickly separates the compacted blocks into uniform lengths, creating clean edges and making the blocks easier to handle, store, and transport.

By integrating conveyors, silo storage, and automated cutting into the recycling workflow, the manufacturer has significantly improved the efficiency of its EPS recycling operation while reducing manual handling requirements.

The function of the huge silo is to guarantee a continuous feeding speed and a certain amount into the feed hopper. And the second conveyor services as a channel between the silo and the Compactor. The EPS blocks compacted in this way are tighter and have more stable quality. The cutting device at the end of the EPS recycling machine can cut the blocks quickly and leave a neat cut.

Huge Silo:



Cutting Device of GREENMAX Machine:

Well Compacted and Cut EPS Blocks: