Pentaflex Overstuff

Pentaflex Overstuff - a multi-layer polyamide casing. Due to high elasticity of the Pentaflex-Overstuff® casing it is possible to overstuff it up to 70%.
Manufacturer: PentoPak
Purpose:  Processed cheese
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Pentaflex Overstuff


• processed cheese.


Due to high elasticity of the Pentaflex-Overstuff® casing it is possible to overstuff it up to 70%. Manipulating by the length of the stick, chosen caliber, and also various overstuffing percent, appearance of the stick can be changed, which allows to get sausage products in the form of ball, oval, shape of olive, natural bubbles and others. Casing is offered with special two-side printing.


• high barrier properties;
• elasticity;
• mechanical strength;
• biological inertness;
• heat resistance;
• increase shelf-life of products.


Caliber, mm Caliber, mm
50 70-85
Offered color spectrum: white (O-WT-03), chestnut (O-NT-02), smoky (O-SM-01).

Preparation of Casing for production of sausages

During preparation of casing for production process, when a reel of casing is unwinding and being cut into pieces, it is necessary to monitor side parts of the reel and surface of the casing sleeve to prevent them from rubbing against various types of uneven or rough surfaces. It is recommended to unwind the reel of casing in the vertical position.
Before using Pentaflex-Overstuff® casing should be cut into pieces of required length, soaked in water at the temperature +18+25°C and kept there for 30 minutes. It is completely forbidden to soak the casing in hot water. For the purposes of evenness of soaking process, it is obligatory that during submerging in the water one end of each casing piece should be open to secure soaking of an internal surface of casing as well. During soaking casings have to be under the water. With that purpose it should be covered (pressed) by frame and kept during 30 minutes. It will considerably increase its elasticity, facilitate process of stuffing and ensure uniformity of filling forcemeat over the full length of a sausage stick. 
In case of using the shirred casings, it is necessary that shirred sticks be submerged completely into the water at a temperature of 18-25C and kept there for at least 40 minutes.
Consumption of the casing should be calculated for the volume of sausage production. In case there is some casing left after production, it should be left in cold water and used within 24 hours.

Recommendations on technological peculiarities of sausage production process using polyamide ring casings.

Technological process of sausages’ production should be implemented in strict conformity with the acting technological instruction.
Due to the gas and moisture impermeability of Pentaflex-Overstuff ® casing, no losses of humidity is observed at thermal treatment of sausages; that’s why the amount of water, added to sausage meat when it is chopped should be decreased to 5-10%. This will allow to exclude the formation of bouillon and fat substances and breaking of the casing during thermal treatment, and the planned output of the finished products will not change. The use of additives when making boiled force meat in polyamide casing requires special attention in further cycles of technological process.
Increase of water-retaining quality of meat leads to intensive swelling of proteins, which facilitates increase of internal pressure of force meat of the sides of the casing during thermal treatment.
Therefore the observance of required recommendations on application of additives, stepped thermo treatment of sausages will allow to exclude the breaks of sausages during cooking.

Stuffing of casings

Forming and clipping of sausage is an important process, during which the casing most frequently touches upon details of the equipment. In order to avoid damages of the casing, make sure the equipment is operating well, there are no damages to it, burrs on its surface. 
The filling of casings is recommended to perform with overstuffing by caliber within the limits of recommended staffing diameter (RSD) of 50-70 %. Percentage of the overstuffing is determined by experienced method and depends on conditions of production and type of equipment. Chosen percentage of overstuffing has to be unchanged during entire stuffing process, the stuffing must be compact along the whole length of a sausage stick.
Changing the length of the stick, it is possible to change its form from lengthen to oval. For instance, at length of the stick 12-13 cm with chosen percentage of the overstuffing - 60%, stick shape ‛olive“ and move near to the limit to form of natural bubble.
Increasing the length of the stick up to 15-17 cm, it is possible to achieve form of lengthen stick. For instance, when the 50 mm caliber of casing is used and chosen overstuffing percentage is equal to 60%, it is recommended that stuffed sausage stick reach up to 80 mm in diameter. Sticks can be clipped in the form of garland by 3 sticks or single.
High percentage of the overstuffing greatly raises forcemeat of casing.

Clipping of casings


Pentaflex-Overstuff® casing can be used in production process involving usage of both automatic ("ALPINA", "POLI-CLIP", "TEHNO-PACK") and semi-automatic types of equipment, as well as for clipping manually.
When clipping, it is necessary to pay attention to regulating of clipper, the right choice of clips that corresponds to the type of the casing and diameter. Clips should ensure firm clipping of the ends of the casing, so that clips do not move and damage the casing. The internal diameter of sausage sticks’ rings amounts to 160-180 mm.

Thermal processing

Thermal processing of sausages should be performed according to the current technological instructions by scheme:
Heating - Cooking - Showering – Cooling in the chamber.
Due to gas impermeability of the casing, the process of frying is excluded during thermal treatment. It should be taken into account that by excluding the process of frying, it is absolutely necessary to use by-stage boiling, to begin the increase of temperature starting from +55+60?, which will ensure the process of colour formation. For example for casing O65 mm thermal treatment is next:
- 55C in heat-chambers at 100% humidity-15min;
- 65C in heat-chambers at 100% humidity -20min;
- 75C in heat-chambers at 100% humidity -30min;
- 80C in heat-chambers at 100% humidity to temperature inside the stick 72C;
Last stage of thermal treatment – is boiling process, driving the product to preparedness (72C in the centre of stick during 10-15minutes). Number of stages of rising temperature will depend on diameter of the sticks, the bigger diameter, the more stages.
Duration of stages of heating are chosen by the company, depending on technological demand and equipment abilities. It is forbidden to cool sausages with cold air after cooking, it may lead to formation of wrinkles. It is necessary to exclude draughts until sausages don’t cool off.

Packing and storing of the sausages

After the cooling sausage sticks are transferred to the storage facilities for storing and selling. Temperature in the storage area should be set according to the requirements specified in the technological instruction for production of the given type of product.
Sausage sticks with the clean and dry surface are packed in the sanitized containers not exceeding their weight capacity and shipped for sale. During the storing, sharp changes in temperature are unacceptable to exclude possibility of appearance of condensation moisture on the sausage sticks’ surface.
In the retail the sausage sticks should be taken out of shipping containers and stored into the refrigerators, showcases and so on.
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