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This high and low pressure film blowing unit is suitable for the production of high density polyethylene (HDPE), low density polyethylene (LDPE) plastic film, widely used in food, clothing, textiles, daily necessities and other civilian products and industrial products packaging.
The screw and material cylinder are made of 38crmoal alloy steel, through nitriding treatment and precision processing, high hardness, strong sex, durable.
The mold head plating hard chromium, its structure is screw mandrel type, the extruded melting material is uniform, the production of the film finish is good, the air cooling device structure is maze, uniform air outlet.
The winding device adopts friction or central winding, and the torque motor is used to adjust the roll leveling, and convenient roll replacement.
Model Name | HDPE/LDPE/PLA MONO LAYER BLOWN FILM MACHINE |
Final Product | HDPE, LDPE, PLA Plastic Film |
Application | Flexible packaging bags, T-shirt bag, garbage bag, shopping bag |
Material used | HDPE, LDPE, PLA virgin raw material, recycled material, CaCO3 compound, biodegradable material, masterbatch and additives |
Output range | 75~150kg/hr (depends on extruder size) |
Film Layer | Mono Layer (One Layer) |
Screw Diameter | 55, 65mm (customized) |
Screw L/D | 28/1,30/1,32/1 (customized) |
Screw Material | SACM-465 |
Width | 500~1500 mm |
Thickness | 0.008~0.1mm |
Optional Devices | Auto loader, masterbatch dosing system, rotary die head, bubble controller, corona treater, embossing roller, automatic winder, double winder, edge position controller, tension controller |
Delivery Time | 60~120 days |
Warranty | 1 year |
Technical Assistance | Engineers available to service machinery overseas |
The HDPE/LDPE/PLA Mono-Layer Blown Film Machine delivers exceptional simplicity and efficiency, making it a top choice for manufacturers who want to produce high-quality plastic films with minimal complexity. Because it extrudes a single layer of material, the machine setup is straightforward — meaning faster startup, easier operation, and less maintenance compared to multi-layer or co-extrusion lines. This simplicity drastically reduces the learning curve for new operators, and cuts down on downtime for maintenance or adjustments.
One of the biggest advantages is material and cost flexibility. Whether you are using HDPE, LDPE, or PLA — or even blends with additives or recycled content — this machine handles them reliably. This versatility enables you to respond quickly to changing market demands or raw material availability. Additionally, because mono-layer extrusion avoids the complexity of multiple extruders or die heads, it generally uses fewer inputs and less energy, which helps keep production costs down and margins healthy.
When processing materials like LDPE or HDPE, you get films with consistent thickness and uniform quality, which is critical for applications like shopping bags, garbage bags, food wrap, and general-purpose packaging films. The blown film extrusion process naturally allows control over film width and thickness by adjusting air volume and haul-off speed — resulting in smooth, defect-free film that performs predictably during downstream converting.
Finally, for businesses focusing on versatility and a wide range of products, this machine is a great fit. Thanks to its mono-layer design, you can easily switch between different materials (HDPE, LDPE, PLA) and film specifications (thickness, width, color) without complex reconfiguration. That flexibility — combined with stable output quality and lean production costs — makes the HDPE/LDPE/PLA Mono-Layer Blown Film Machine an ideal solution for manufacturers targeting broad markets, from everyday plastic bags to packaging films and beyond.
