How to Choose Film for Automatic Packaging Machines: Technical Tips
Selecting the right packaging film is a key factor for the efficient operation of automatic packaging lines. High-quality film ensures not only fast packaging speeds but also reliable sealing and an attractive product appearance.
Main Types of Films for Automatic Machines
BOPP Film (Biaxially Oriented Polypropylene)
- Thickness: 20–40 µm
- Advantages: High transparency and gloss, good sealing, excellent barrier properties
CPP Film (Cast Polypropylene)
- Features: High elasticity, heat resistance, excellent clarity
LDPE / HDPE (Low-/High-Density Polyethene)
- Features: Tear resistance, excellent sealing, waterproof properties
- Best for: Agricultural and food products
Key Technical Characteristics to Consider
🔹 Film Thickness
- Optimal range: 20–60 µm
- Affects seal quality and feeding stability
🔹 Presence of a Heat-Sealable Layer
- Ensures strong and durable seams
- BOPP films may feature co-extruded sealable layers on one or both sides
🔹 Dimensional Stability
- Uniform roll width is critical for high-speed packaging lines
🔹 Coefficient of Friction (COF)
- Affects how smoothly the film moves through the machine (prevents slipping or sticking)
🔹 Activation Layer for Printing
- Required for high-quality print adhesion (e.g., corona treatment)
- Suitable for flexographic printing up to 8 colours
Additional Film Features for Automatic Machines
- Perforation: Allows ventilation (ideal for bread, herbs, greens)
- Lamination: Enhances protection from moisture, odours, and external factors
- Bottom/Side Sealing: For creating pouches or bags
- Roll Width & Diameter: Up to 1200 mm — customised to the requirements of your specific packaging machine
Common Mistakes When Choosing Film
- Selecting non-sealable film for heat-sealing machines
- Using film that’s too thin or too rigid for products with sharp edges
- Omitting anti-static coating, which can cause roll unwinding issues
Why It’s Beneficial to Order Film for Automatic Machines from ARTHA-S
- Precision slitting with strict width and thickness control
- Flexographic printing available (up to 8 colours)
- Flexible material options: BOPP, CPP, LDPE, HDPE
- Customised film selection for your specific equipment
- Professional consultation and technical support
Choosing the right film is the foundation for the efficient and cost-effective operation of your packaging equipment. Contact ARTHA-S for a consultation, request samples, and let our experts help you select the perfect film tailored to your needs!
