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Key features

Multifoil co-ex blown film lines are backed by proven engineering experience of Rajoo for over two decades and are available in the widest range from two layer configuration for general purpose packaging film to nine layer line for barrier and technical grade films with output ranging from 120kg/hr to 1200 kg/hr and lay-flat width ranging from 600mm to 5000mm.

Multifoil lines are available with advanced automation features like integrated gsm control, gravimetric blending and dosing, contact/non-contact type IBC system with pneumatic/digital correction, automatic thickness control, fully automatic center-gap-surface winder and integrated process control. A range of system solutions can be configured to adapt to the ultimate processing needs.

CSD- Cylindrical Spiral Die ( bottom fed vertical cylindrical spiral system) is state-of-the-art and provides optimized layout for rheological and thermodynamic criteria. Number of overlaps are almost unlimited, thus imparts excellent thickness distribution and broad range of operating parameters. Melt streams are designed and merged according to specific flow behavior of polymers. Its compact in design with low axial forces. Sizes of all flow channels, all spiral dimensions and coex flow region are determined with the aid of computerized design and 3D simulation software. The die is self-cleaning. It is highly polished eliminating dead spots. Surfaces in contact with the melt are especially hard chrome plated and polished to ensure rapid flushing and thereby shorter non-productive times during resin change. Short polymer flow passages decrease residence time which is of great benefit when processing thermally sensitive materials and reduces polymer degradation.

Rajoo is the only Asian supplier of dedicated multilayer blown film lines for producing FFS film for use in resin sacks. As the film will have to match with the machine speed and will also have to pass through stringent handling conditions including prolonged exposure to sunlight calling for high puncture resistance, the extrusion of such film calls for quite sophisticated blown film lines. Rajoo has experience of supplying several such lines in India and abroad.

MULTIFOIL – Multi layer co-extrusion blown film lines are available in a wide range of configurations from two to nine layers to produce variety of films like lamination grade films, liquid packaging films, ultra high barrier films, high dart FFS resin sacks films, meat and cereal packaging films, oil packaging films, pharma and medical grade films, pallet hooding shrink/stretch films, green house films, silage and mulch films, geomembrane and chemical / soap packaging films.

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