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

The main function of the EPS pre-expander is to expand raw polystyrene beads into lightweight foam beads. 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 expansion process.
Features
High Expansion Ratio
The EPS pre-expander can achieve a high expansion ratio, typically ranging from 20 to 50 times the original volume of the polystyrene beads. This allows for the production of lightweight and highly insulating EPS products.
Precise Control
The machine is equipped with advanced control systems that allow for precise control of the expansion process. This ensures consistent quality and reproducibility of the expanded beads.
Energy Efficiency
Many EPS 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.
Packaging Industry: EPS expanded beads are widely used in the packaging industry to protect fragile items during shipping and storage. The lightweight and cushioning properties of EPS make it an ideal packaging material.
Construction Industry: In the construction industry, EPS is used for insulation purposes, such as in wall insulation, roof insulation, and floor insulation. The expanded beads can be molded into various shapes and sizes to fit different construction applications.
Arts and Crafts: EPS expanded beads can also be used in arts and crafts projects, such as making sculptures, models, and decorations. The lightweight and easy-to-shape nature of EPS makes it a popular material for creative projects.

|
Description |
Unit |
ESPC90 |
ESPC120 |
|
|
Tolerance |
% |
±3 |
±5 |
|
|
Density |
g/l |
12-50 |
12-30 |
|
|
Vessel |
Diameter |
mm |
850 |
1150 |
|
Volume |
m3 |
0.85 |
1.66 |
|
|
Agitator |
Speed |
rpm |
82 |
82 |
|
Steam System |
Inlet |
DN |
75 |
100 |
|
Pressure reducing station |
DN |
35 |
50 |
|
|
Pressure |
Mpa |
0.6-0.8 |
0.6-0.8 |
|
|
Consumption |
kg/h |
120 |
250 |
|
|
Compressed Air System |
Inlet |
DN |
25 |
25 |
|
Pressure |
Mpa |
0.6-0.8 |
0.6-0.8 |
|
|
Consumption |
m3/h |
12 |
18 |
|
|
Drainage System |
Condensate Outlet |
DN |
75 |
100 |
|
Vent Outlet |
DN |
75 |
125 |
|
|
Filling System |
Material Inlet |
DN |
50 |
50 |
|
Electrical Capacity |
Pre-expander+Fluid Bed |
KW |
5.2+9.6 |
6.8+10.6 |
|
Pre-expander Dimension |
mm |
3700×1950×3300 |
5150×2170×4400 |
|
|
Fluid Bed Dimension |
mm |
5500×1000×1160 |
6280×1510×1300 |
|
|
Pre-expander Weight |
Ton |
1.6 |
2.5 |
|
|
Fluid Bed Weight |
Ton |
0.5 |
0.6 |
|
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