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Collagen casings are made from high-quality natural collagen from animal hides, so they are edible. Collagen casings are highly permeable to smoke and moisture. The casing is fully adhered to the sausage, become part of the formulation, and therefore is fully edible. We have special formulations to ensure the casing adheres fully to all types of sausages, whether it’s shrinkage or stretching during filling and cooking. Collagen casings have 20 ~ 30% higher smokehouse productivity compared to natural casings.
Cellulose casings are made from natural plant fibers such as cotton linters, woodpulp, and hemp paper. Characteristics include high strength and toughness, with high permeability to air, water and smoke. Cellulose casings are not permeable, and must be peeled before the sausage is consumed. Special peeling coatings are used. They do not adhere to the meat under high shrinkage applications. Cellulose casings can be processed in high temperature smokehouses and are permeable to smoke and air while fully wet.
Plastic casing refers to the use of packaging materials with high oxygen barrier for high temperature cooking where sterilization of the meat is needed and high barrier is required for extended sausage shelf life. The packaging materials used in plastic casing include polymers such as polyvinylidine chloride (PVDC), polyamide(PA) casing and EVAL. The casings are monolayer and multilayer, and are composite flexible packaging materials. They are used globally in packing sausage, ham sausage, red sausage, sandwich sausage, garlic sausage, minced meat sausage and liverwurst.
Fibrous casings are made with fiber-reinforced cellulose and are particularly popular among traditional sausage manufacturers due to high strength, precise diameters, excellent transparency and smoke permeability.
Advantages of edible artificial casings: Collagen casings are edible casings, which contain functional products with high protein, low sugar and low fat. They are suitable for making sausages, which can be dried, cooked and roasted
Advantages of edible artificial casings: Collagen casings are edible casings, which contain functional products with high protein, low sugar and low fat. They are suitable for making sausages, which can be dried, cooked and roasted
