How to package ultralight powders efficiently
Ultralight powders such as carbon black, silica, pigments, fibres or certain pesticides place particular demands on packaging processes. The challenge is not only to fill a product into a bag with precision.
What matters is the entire process: from safe product handling and low-dust filling to compaction, sealing and the creation of stable, stackable packaging units for storage, transport and logistics.
Especially when handling very fine and light bulk materials, conventional packaging methods often reach their limits. These products typically have a very low bulk density, tend to generate dust and are difficult to form into stable bags. The result can be voluminous, unstable bags that require significant storage and transport capacity and create additional challenges in downstream handling.
Vacuum compaction as a key technology
GREIF-VELOX’s VeloVac technology is designed specifically for these requirements. At the heart of the process is vacuum compaction for ultralight powders. By compacting the product inside the bag in a controlled way, the volume can be significantly reduced. This results in more compact, stable and stackable bags.
This improves the entire downstream process: bag shape becomes more consistent, palletizing becomes more reliable and storage and transport space can be used more efficiently. At the same time, more compact packaging can help reduce logistics effort and transport impact.
A coordinated end-to-end packaging process
The challenge of packaging ultralight powders does not end at the filling station. To create a clean and efficient process, all steps must be precisely coordinated. These include accurate bag handling, controlled filling, vacuum compaction, secure sealing and subsequent palletizing.
A fully integrated VeloVac full line combines these steps in one continuous process. The system is designed to package fine and light materials cleanly, with low dust emissions and reliable performance. The coordinated interaction of all components creates a stable final package that is easier to handle, store and transport.
Benefits for production and logistics
A coordinated packaging process for ultralight powders offers several advantages. Vacuum compaction enables significant volume reduction. At the same time, the system supports clean handling of fine and dusty products. The resulting bags are more stable and easier to stack, which improves palletizing and makes logistics more efficient.
This turns packaging into an important part of the overall process chain. Especially for products with low bulk density, the right packaging technology can help reduce costs, effort and product loss while increasing process reliability.
Video: VeloVac in action
A current video from GREIF-VELOX shows the complete VeloVac full line in action: from bag handling and clean filling to vacuum compaction, sealing and palletizing. Step by step, the video demonstrates how a coordinated packaging process for ultralight powders works.
VeloVac stands for vacuum packaging technology specifically developed for fine, light and demanding bulk materials.
