The preex high pressure system uses controlled high-pressure steam expansion: raw material is expanded under increased pressure conditions precise control of pressure and temperature ensures uniform bead structure the process enables consistent density levels across batches optimized expansion reduces material variance and improves downstream processing This results in high-quality beads suitable for technical and structural applications.

Process type: high-pressure steam pre-expansion Material focus: EPP and other high performance materials Density control: highly precise and repeatable Process stability: optimized for demanding materials

automotive applications (e.g. energy-absorbing components) technical molded parts applications requiring high mechanical performance products where weight reduction and stability are critical

significant transport cost savings consistent material quality for demanding applications improved mechanical properties of expanded material reduced material variance in downstream processes ideal for high-performance materials like EPP

The preex high pressure system uses controlled high-pressure steam expansion: raw material is expanded under increased pressure conditions precise control of pressure and temperature ensures uniform bead structure the process enables consistent density levels across batches optimized expansion reduces material variance and improves downstream processing This results in high-quality beads suitable for technical and structural applications.

Process type: high-pressure steam pre-expansion Material focus: EPP and other high performance materials Density control: highly precise and repeatable Process stability: optimized for demanding materials

automotive applications (e.g. energy-absorbing components) technical molded parts applications requiring high mechanical performance products where weight reduction and stability are critical

significant transport cost savings consistent material quality for demanding applications improved mechanical properties of expanded material reduced material variance in downstream processes ideal for high-performance materials like EPP

High Pressure Preexpander
for maximum flexibility

The hetech high pressure preexpander is the ideal solution for materials that require a processing pressure of up to 2.5 bar. It features a clear, process-structured user interface that ensures maximum ease of use. With consistent bulk densities without weight fluctuations, high efficiency, and reduced transport costs, it guarantees reliable quality and flexible production – ideal for packaging, automotive, and customized batch sizes.

Stable Processes

under High Pressure

product

images

The hetech high pressure preexpander offers numerous advantages, making it a powerful solution for demanding applications. Thanks to its processing pressure of up to 2.5 bar, it is particularly well suited for materials with special requirements and allows flexible processing of different raw materials. The user-friendly interface ensures easy and process-secure handling, while the precise control guarantees consistent bulk densities without weight fluctuations. At the same time, the technology enables greater efficiency and shorter transport costs, supporting an economical, stable, and sustainable production.

advantages

your benefits

ideal for

all materials that require a processing pressure of up to 2.5 bar

packaging and automotive for your required batch size

ensuring maximum flexibility in terms of materials

processing pressure

flexibility

less

transport costs

Definition

The hetech preex high pressure pre-expander is specifically designed for the processing of EPP and other high-performance materials.
By operating at elevated pressure levels, the system enables precise density control and produces material with optimized properties for demanding applications.

Functionality

The preex high pressure system uses controlled high-pressure steam expansion:

raw material is expanded under increased pressure conditions
precise control of pressure and temperature ensures uniform bead structure
the process enables consistent density levels across batches
optimized expansion reduces material variance and improves downstream processing

This results in high-quality beads suitable for technical and structural applications.

Technical Parameters

Process type: high-pressure steam pre-expansion
Material focus: EPP and other high performance materials
Density control: highly precise and repeatable
Process stability: optimized for demanding materials

Applications

automotive applications (e.g. energy-absorbing components)
technical molded parts
applications requiring high mechanical performance
products where weight reduction and stability are critical

Advantages

significant transport cost savings
consistent material quality for demanding applications
improved mechanical properties of expanded material
reduced material variance in downstream processes
ideal for high-performance materials like EPP

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