| abstract |
The invention relates to a food casing made of a thermoplastic blend, which comprises at least one aliphatic polyamide and/or copolyamide and/or at least one aliphatic and/or partially aromatic copolyamide containing glycol and/or polyglycol units, in addition to at least one inorganic and/or organic filler. The casing has a maximum surface roughness R max of between 7 to 60 μm and a water vapor permeability of at least 50 g/m 2 ·d. Said casing thus has a particularly matt, rough, extremely natural surface structure. The casing is produced by extrusion with the aid of an annular-shaped die and subsequent blow moulding or biaxial stretch orientation. It is suitable for use as an artificial sausage casing, in particular for raw sausage, such as salami. |