RU2363575C2 - Foodstuffs shell with porous outer layer ...
FIELD: packing. SUBSTANCE: invention relates to co-extruded thermoplastic shell for foodstuffs. Proposed shell consists of, at least, two layers including outer layer (Z). The said outer layer features porosity of, at least, 5% by volume, as measured with respect to pores or, blisters, in the surface plane. The surface of outer layer (Z) features a surface structure with open pores and/or ...