Three-Layer HDPE Co-Extrusion Blown Film Machine

Materials & Applications

• Suitable Materials: HDPE, MDPE, recycled materials
• End-Use Applications:
  • Liner bags
  • General packaging bags

Production Range & Output Performance

• Film Width Range: 500 – 1200 mm
• Film Thickness Range: 10 – 50 microns
• Maximum Extrusion Output: 220 kg/hr
• Die Head Diameter: Ø120/150 mm
• Extruder Screw Diameter: Ø 45 mm + Ø 55 mm + Ø 45 mm

Cooling Line & Width Control System

• **Dr. Joseph Cooling Line & Width Control System (USA)**Precisely controls frost line height and film width stability, ensuring uniform film formation and excellent stiffness—critical for HDPE thin films.

Gravimetric Dosing & Extrusion Control

• DOTECO Gravimetric Dosing System with Extrusion Control

Take-Up & Winding System

• Take-Up Unit:Horizontal upper rotating take-up system with automatic positioning, improving film flatness and bag consistency
• Winding Unit:

Dual-side back-to-back fully automatic Surface winder

• Static Elimination: Meech International Static elimination system (UK)

Key Advantages

• Three-layer HDPE co-extrusion design optimized for thin, high-stiffness films
• Supports recycled material usage while maintaining film and bag quality
• Thin gauge capability from 10 to 50 microns, ideal for liner bags
• Precise cooling line and width control for stable HDPE film formation
• Reliable European and American key components for long-term continuous operation