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 (Picture: Haver & Boecker)
Paper Valve Sack

The Influence of Different Sackpaper Porosity on Filling Performance

In the building material producing and processing industry, various powdery products for a variety of purposes are packed into flexible packaging, in small to large quantities. Depending on the needs and requirements of the end-consumer, filling and storing the filled packages is done using various types of packaging materials. The most frequent and versatile packaging for powder products is the valve sack made of paper.

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