Functional Polymer Casting Film Machine

   The forming principle of the casting film is to extrude the uniformly plasticized plastic melt in the extruder through the flat die head, and then enter the quench casting roll after cooling and curing, traction, cutting into the casting film of a certain width, and finally coiling it into a roll. The coiling device adopts friction coiling, and is equipped with edge cutting device and edge material receiving mechanism.

   The functional polymer casting Film Machine by our company adopts precision extrusion and high performance casting molding technology, which is suitable for the casting film forming of PE, PP, PS, ABS, PVC, PET, PC and other commonly used polymer materials such as stretch film, winding film and plastic film. Among them, the laboratory casting film machine can also be equipped with a vision system to realize the expanded functions of detecting the dispersity of raw materials and detecting the quality of films such as gel point, fis.

• Advanced extrusion technology – uniform thickness control (±1% tolerance) for functional films (optical, barrier, conductive).
• Automated web control – PLC + HMI with real-time monitoring (thickness, tension, temperature).
• Stability – handles polymers up to 350℃-450°C with precision heating zones.
• Custom configurations – adjustable die width, roll-to-roll or sheet output.

Energy films – lithium battery separators, solar cell backsheets.
Flexible electronics – transparent conductive films (ITO alternatives).
Barrier films – high-moisture/O₂ resistance for packaging.
Medical films – drug delivery membranes, biocompatible coatings.

Extruder: melts and delivers the polymer.

Die: shapes the molten polymer into a sheet.

Chilled roll: rapidly cools and solidifies the film.

Traction system: pulls the film and controls its speed.

Winder: collects the finished film onto a roll.

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