Focus On Polymer New Molding Equipment
WHAT ARE YOU LOOKING FOR?
POTOP specializes in advanced three layer co-extruded blown film for the rubber and plastic industries. Our high-performance equipment ensures precision, efficiency, and durability, meeting the diverse needs of modern manufacturing. Trusted by professionals, POTOP's solutions enhance productivity and product quality across various applications.
Model | FBCL-20/03 |
Serial No. | FBC-001 |
Applicable Materials | PE, POF, PVC, LDPE, LLDPE, etc |
Screw Diameter | φ20 mm (three units are the same) |
Screw L/D Ratio | 28 |
Screw Speed | 0-120 rpm |
Die Diameter | 45 mm |
Die Layer Configuration | A/B/C（3-layer） |
Max. Layflat Width | 200 mm |
Film Thickness Range | 0.02-0.15 mm |
Roller Face Width | 220 mm |
Line Speed | 0-10 m/min |
Pressure Measurement Range | 0-50 MPa |
Pressure Measurement Accuracy | 0.5% FS |
RT -350°C | |
Temperature Control Accuracy | ±1℃ |
3-phase 5-wire 380V±10%, 50 Hz | |
6–8 bar (dry, oil-free) | |
Soft water，ΔP: 2.5–4.0 bar | |
10–40℃; ≤80% RH (non-condensing) | |
Approx. 30 kW | |
2810 mm×2130 mm×2015 mm | |
Net Weight | Approx. 1200 kg |
A 3 layer blown film extrusion machine is specialized industrial equipment designed to manufacture multi-layer plastic films through a co-extrusion process. In this setup, three different plastic materials are fed from separate extruders (or shared ones in efficient ABA configurations) and combined in a die head to form a single tubular bubble. The bubble is then inflated with air, cooled by an air ring, and flattened into a continuous roll of film. The three layers typically feature two outer layers made from high-quality virgin resin and a middle layer that incorporates materials such as recycled plastics, calcium carbonate fillers, or cost-effective compounds. This 3 layer blown film extrusion process enables manufacturers to produce films with customized properties, including increased strength, better puncture resistance, enhanced barrier performance against oxygen or moisture, and improved overall cost efficiency. Many producers refer to the full setup as a three layer blown film line or 3 layer blown film plant for complete production systems.
High-precision servo motor-driven extruder screw with continuous variable speed control for stable plasticization and uniformity
Digitally optimized co-extrusion die featuring streamlined flow channels (zero dead zones) to ensure homogeneous material distribution in 3 layer co extrusion processes
Electrically adjustable film frame for simplified film threading and process fine-tuning
Patented pressure vector control air ring technology for energy efficiency and ultra-low noise operation
Advanced bubble stabilization system (small diameter) to maintain consistent film layflat width
Servo-driven haul-off system ensures precise and stable longitudinal film speed control
Industrial-grade PLC & HMI integration with intuitive touchscreen interface for reliable operation and seamless user interaction
Real-time data acquisition & visualization (pressure, temperature, line speed, etc.) for enhanced process monitoring
Customizable layer configuration (up to 7 layers) to meet diverse R&D needs, building on proven 3 layer blown film extrusion machine technology
Preparation of multilayer blown tubular films using advanced three layer blown film machine systems
Optimization of multi-layer blown film production process for superior film quality
Polymer material blown film performance testing with reliable multilayer blown film machine capabilities
R&D of new material formulas, including blow film plastic innovations and 3 layer blown film extrusion process refinements
3 layer blown film extrusion machines deliver several important advantages for modern plastic film production. The resulting multi-layer films provide superior functionality, including excellent barrier properties that protect against moisture, gases, and odors, making them especially suitable for demanding applications such as food packaging, medical products, and industrial wraps. Contemporary three layer blown film machines are engineered for high energy efficiency and fast production speeds, which help reduce operating costs and support more environmentally responsible manufacturing. In addition, these systems feature advanced automation that minimizes manual intervention, lowers labor requirements, and increases overall output consistency and reliability. By allowing recycled content or economical fillers to be placed in the core layer while maintaining premium surfaces, the multilayer extruder machine process promotes better material utilization and sustainability without sacrificing film performance—ideal for those seeking a reliable 3 layer blown film plant solution.
Single-layer blown film machines produce a uniform film from one type of plastic material extruded through a single die, resulting in a simple, cost-effective solution best suited for basic packaging or non-critical applications. In contrast, 3-layer blown film machines (commonly in ABA configuration and also referred to as three layer blown film machines or 3 layer extrusion machines) create a structured film with two outer layers and a distinct middle layer, offering far greater flexibility in material selection and performance tuning. The middle layer can incorporate a high percentage of recycled plastics, calcium carbonate, or lower-cost additives, significantly reducing raw material expenses while reserving higher-grade virgin resin for the outer surfaces that contact the product or environment. This design delivers markedly improved film characteristics compared to single-layer films, including greater tensile strength, enhanced barrier properties against gases and moisture, better puncture and tear resistance, and more controlled flexibility or stiffness—though the 3 layer blown film extrusion machine requires a higher initial investment and more complex setup and maintenance than basic single-layer options.
