In the field of foam plastic recycling, EPS (Expanded Polystyrene) waste poses a challenge due to its large volume and low density, making it difficult to store and transport. As a result, the foam densifier machine plays a vital role in the recycling process. Two commonly used machines are the EPS melting machine and the foam cold compactor. While both aim to reduce volume, they operate on different principles and are suitable for different applications.

This article explains the working principles, advantages, and suitable scenarios of each machine to help you choose the right equipment based on your specific needs.

EPSホットメルト機
EPSホットメルト機
Foam compactor machine
Foam compactor machine

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1 EPS Melting Machine: Working Principle and Features
1.1 Key features of EPS Hot Melting Machine:

EPS Melting Machine: Working Principle and Features

An styrofoam melting machine uses heat and screw compression to soften waste foam and compress it into dense melted blocks. These compact blocks can be used as raw materials for plastic pelletizing or molding.

Key features of EPS Hot Melting Machine:

  • High compression ratio: Reduces volume by 1/50 to 1/90
  • Dense output blocks: Easy to stack, store, transport, and sell
  • Simple operation: crushing and hot melting in one, save labour