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Chemical solutions company BASF has launched Ultramid H33 L, the world’s first thermoplastic polyamide with high water permeability.

This product is set to redefine the production of smoked sausages by enabling the use of pure polyamide artificial casings that enhance both flavour infusion and drying processes.

Traditionally, artificial casings for sausage production have utilised materials such as collagen or cellulose. However, Ultramid H introduces a significant advancement: its robust structure allows for the creation of thinner casings without compromising strength.

This not only reduces material usage but also enhances the product's overall performance. The hydrophilic properties of Ultramid H facilitate the passage of smoke aromas into the sausages during smoking, while its high water permeability enables effective drying within the casing.

Dr. Rolf Minkwitz, head of polyamide product development at BASF, commented: “This innovative material opens up new fields of application for thermoplastic polyamides that were previously beyond technical capabilities".

He added: "It can be processed like any other polyamide, allowing our customers to seamlessly integrate Ultramid H into their production processes without requiring adjustments”.

BASF plans to showcase Ultramid H at the upcoming K 2025 trade fair in Düsseldorf, running from October 8 to 15.