Hangzhou Epsole Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of eps foam batch pre-expander in China. We warmly welcome you to buy high quality eps foam batch pre-expander for sale here from our factory. Good service and reasonable price are available.

Function and Working Principle
The main function of the EPS foam batch pre-expander is to expand raw EPS beads to a certain degree before further processing. This is achieved by heating the beads with steam or hot air. As the beads are heated, the blowing agent inside them vaporizes, causing the beads to expand. The degree of expansion can be controlled by adjusting the temperature, pressure, and time of the pre-expansion process.
Features and Advantages
High Expansion Ratio: The EPS foam batch pre-expander can achieve a high expansion ratio, typically ranging from 20 to 50 times the original volume of the EPS beads. This allows for the production of lightweight and highly insulating EPS foam products.
Precise Control: The machine is equipped with advanced control systems that allow for precise control of the pre-expansion process. This ensures consistent quality and reproducibility of the expanded beads.
Energy Efficiency: Many EPS foam batch pre-expanders are designed to be energy-efficient, using advanced heating technologies and insulation to minimize energy consumption.
Easy Operation and Maintenance: The machines are designed for easy operation and maintenance, with user-friendly interfaces and accessible components for routine maintenance and troubleshooting.
Applications
Packaging Industry: EPS foam is widely used in the packaging industry to protect fragile items during shipping and storage. The expanded beads produced by the batch pre-expander can be molded into various shapes and sizes to fit specific packaging needs.
Construction Industry: In the construction industry, EPS foam is used for insulation purposes. The expanded beads can be used to make insulation boards, roofing materials, and wall panels.
Arts and Crafts: EPS foam can also be used in arts and crafts projects. The expanded beads can be painted, glued, and cut to create various decorative items.
|
Item |
ESPB 150 |
|
|
Expansion Chamber |
Diameter Volume Usable Volume |
Φ1500mm 3.2m³ |
|
Outside Dimensions |
L×W×H |
6500×4150×5400mm |
|
Weight |
5.00t |
|
|
Room Height Required |
5000mm |
|







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