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hetech

preex

The hetech preexpanders are the starting point of every particle foam production.

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Vacuum
Preexpander
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Fluidized Bed Preexpander
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High Pressure Preexpander

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Vacuum Preexpander

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Fluidized Bed PreExpander

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High Pressure Preexpander

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large Fluidized Bed Preexpander

for high throughput

The large fluidized bed preexpander is the ideal solution for continuous production lines and high volumes. With precise control of temperature and airflow, the material is efficiently stabilized and moisture reliably reduced. This ensures homogeneous drying, uniform density distribution, and maximum process reliability – ideal for packaging, construction, and large-scale series production.

Process Stability

for Large Volumes

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The large fluidized bed preexpander offers a wide range of advantages, making it especially suitable for industrial continuous operation. Through the precise control of temperature and airflow, the material is reliably stabilized, ensuring uniform density distribution and homogeneous drying. Its robust design guarantees high throughput with minimal downtime and ensures long service life in operation. In addition, easy cleaning and maintenance provide high availability and low operating costs. This makes the large fluidized bed preexpander the perfect choice for efficient, high-volume production processes with consistently high quality.

advantages

your benefits

ideal for

  • low densities

  • continuous production lines

  • packaging and construction for your required batch size – even large production volumes

more

  • process stability 

less

  • moisture

Full-Solution Provider

in Particle Foam Technology

The hetech group is your full-solution provider in particle foam and molded pulp technology – delivering everything from the first concept to the final product.

We are more than a machinery supplier - we are your strategic partner, guiding you from planning to commissioning and taking your production to the next level.

With the hetech group, you benefit from tailor-made complete systems that make your production faster, more efficient and more sustainable.

Our Promise

Synergy for Success

Vision

Expanding with Ideas & Shaping Solutions

Mission

Providing Our Customers the Highest Quality Advice & Services

locations

Global Reach – Local Expertise

With five strategic locations in Austria, Germany, Slovenia and Slovakia, plus an international partner network, we deliver worldwide service with local market knowledge.

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