Product Parameters
| PL-5050H (old big case) |
| Technical specification |
Nozzle models available |
Nozzle treatment area |
Model |
| Interface display |
Three and a half LED digital tube |
R17 Rotate nozzle 16 |
16mm |
PL-JX-022-1 |
| rated supply voltage |
AC220V ±10% |
R03 Rotate nozzle 20 |
20mm |
PL-JX-004-1 |
| Plasma output power |
1000VA |
R04 Rotate nozzle 30 |
30mm |
PL-JX-006-1 |
| Input current |
4.0-6.0A |
R21 Rotate nozzle 40 |
40mm |
PL-JX-008-1 |
| Supply frequency |
20kHz |
R05 Rotating nozzle 50 |
50mm |
PL-JX-010-1 |
| Air source requirement |
External air source (gas consumption 60L/min |
R23 Rotate nozzle 70 |
75mm |
PL-JX-014-1 |
| Air source input pressure |
≥0.6Mpa |
|
|
|
| Air pressure operating range |
0.1-0.25Mpa |
|
|
|
| Mode |
Signal Mode/ Encoder Mode |
|
|
|
| Relative humidity |
<93% |
 |
| Storage temperature |
-25ºC-+55ºC |
| Cleaning height |
5-15mm |
| Treatment width |
≤75mm |
| Bracket |
Dovetail support |
| Chassis dimensions (including components) |
690(L)*280(W)*485(H)mm |
| Net weight |
26kg |
| Dimensions of the outer packing box |
795*345*540mm |
| Gross weight |
33kg |
| Detection function |
Air pressure detection, overtemperature detection, undercurrent detection |
| Fault alarm |
Undercurrent, input overcurrent, output overcurrent, abnormal air pressure |
PET (polyethylene terephthalate) foils are used in various industries due to their strength, transparency, chemical resistance, and barrier properties. Their versatility and recyclability make them ideal for both everyday and specialized applications.
Applications of PET Foils in Printing
Here's a structured overview of their applications where printing is commonly necessary:
1. Packaging
- Food Packaging: Used for snack bags, wrappers, and metallized films to provide moisture, oxygen, and aroma barriers.
- Pharmaceuticals: Blister packs and sterile packaging that protect against moisture and contamination.
2. Electronics
- Insulation Films: Serve as protective layers in cables, capacitors (as dielectric films), and flexible printed circuits.
3. Printing & Labels
- Durable Labels: Common in product labels, electronics, and machinery due to high tear resistance.
- Lamination Films: Applied to documents, ID cards, and credit cards.
- Graphic Arts: Banners, decals, and holograms benefit from PET's printability and durability.
4. Automotive
- Protective Films: Used for paint protection and decorative interior foils.
5. Medical
- Sterile Packaging: Ensures the safety and longevity of medical devices.
6. Industrial
- Release Liners: Act as carriers for adhesives and composites.
7. Textiles
- Laminated Fabrics: Create waterproof and weather-resistant materials for outdoor gear.
8. Specialty Applications
- 3D Printing: Used as substrates or support materials.
- Arts & Crafts: Stencils and transparent overlays.
The Challenge of Printing on PET Foils
Printing on PET can be tricky because of its low surface energy. To enhance printing quality on PET foils using plasma surface treatment, follow this structured approach tailored to optimize ink adhesion and print durability:
1. Plasma Type and Gas Selection
Oxygen Plasma
- Introduces polar functional groups (-OH, -COOH) to increase surface energy.
- Improves wettability, especially for water-based and solvent-based inks.
Nitrogen or Argon Plasma
- Enhances cross-linking or provides mild etching for mechanical interlocking.
- Particularly useful for UV-curable inks.
Mixed Gases (e.g., O + Ar)
- Combines chemical activation with physical etching.
- Tailors surface roughness to optimize ink anchoring.
2. Key Parameters Optimization
- Power: Low for atmospheric plasma; high for vacuum systems.
- Treatment Time: For a swifter operation, our atmospheric systems are designed to uphold an impressive pace.
- Pressure:
- Vacuum plasma: Offering precise control, it operates between 0.1-1 mbar, ensuring consistent treatment outcomes.
- Atmospheric plasma: Effortlessly functions under ambient pressure, perfectly suited for continuous inline processing.
- Distance: Carefully adjust according to the plasma source and PET material, guaranteeing both uniformity and effective heat management.
3. Equipment Considerations
Atmospheric Plasma
- An optimal choice for high-speed roll-to-roll applications like packaging and label printing.
Low-Pressure Plasma
- Perfectly suited for the precision treatment required in electronic components or medical packaging.
Plasma Jet Arrays
- Designed to deliver uniform treatment across expansive PET foil surfaces.
4. Surface Activation
Chemical Modification
- Incorporates polar groups to enhance surface energy, aiming for a target contact angle of less than 40°.
- Significantly boosts the wetting and adhesive properties of inks.
Physical Etching
- Creates nano-scale roughness (10-50 nm Ra) to improve mechanical bonding with inks.
Cleaning
- Efficiently removes unwanted oils, additives, or dust that could impede adhesion quality.
5. Post-Treatment Handling
- Immediate Printing: For optimal results, print within 15-60 minutes to prevent hydrophobic recovery.
- Storage: If there's a delay in printing, store in dry, inert environments such as a nitrogen atmosphere to maintain surface quality.
- Primers: Employ adhesion promoters like silanes to ensure long-lasting durability.
6. Characterization and Validation
- Contact Angle Measurement: Aim for a water contact angle below 40° to confirm adequate hydrophilicity.
- Ink Adhesion Tests:
- Utilize the Tape Test (ASTM D3359) to assess peel resistance.
- Perform abrasion resistance tests using tools like the Sutherland Rub Tester.
- Surface Analysis:
- Use XPS/FTIR techniques to verify the presence of oxygen-functional groups.
- Employ AFM to accurately measure surface roughness, targeting 10-50 nm Ra.
7. Industrial Implementation Tips
- Uniformity: Achieve consistent results by using rotating electrodes or multi-jet arrays in roll-to-roll systems.
- Ink Compatibility:
- For water-based inks, ensure surfaces are hydrophilic.
- For solvent and UV inks, moderate roughness can enhance anchoring.
- Pre-Treatment Cleaning: Utilize ionized air or mild solvents like isopropyl alcohol to efficiently eliminate dust and static.
8. Troubleshooting Common Issues
Poor Ink Adhesion
- Consider increasing plasma power or treatment time for better adhesion.
- Switching to oxygen plasma might help enhance surface treatment.
- Always check for any surface contamination that might affect results.
Over-Treatment
- To prevent PET from becoming brittle or discolored, simply reduce the plasma power or treatment time. This adjustment ensures your materials maintain their integrity and quality.
Challenges with Ink Spreading
- Enhance your printing results by optimizing the surface energy to perfectly complement the ink's viscosity and flow characteristics, ensuring seamless application.
With precise optimization of plasma surface treatment parameters, seamlessly integrate them into your production line to achieve superior ink adhesion and enhanced print durability on PET foils. This approach guarantees vibrant, resilient prints while preserving the efficiency of your production process.
Collaborate with Keylink Technology
Keylink Technology is a leader in atmospheric and low-temperature plasma systems. We offer both standard and bespoke solutions specifically designed for your PET printing requirements. Reach out to us to test your materials and dramatically elevate your print quality with our expert surface treatment solutions.
Company Profile
Certifications
Exhibition
Packaging & Shipping
FAQ
1. What is the shipping warehouse location?
Answer:Our main shipping warehouse is located in Zhejiang, China, and we ship globally via trusted logistics partners. We also accommodate customer-preferred shipping methods or carriers.
2.What is the production lead time?
Answer:Lead time varies based on order size and product type:
- For small to medium orders (e.g., 10-20 machines), the lead time is approximately 3-4 workdays.
- We expedite production to meet tight deadlines whenever possible, especially before holidays like the Spring Festival.
3.Can I customize my order (e.g., specific configurations or spare parts)?
Answer:Yes, customization is available! We can tailor machine configurations, spare parts, and accessories (e.g., nozzles or cable lengths) based on your specific requirements. Please share your customization needs during the order confirmation process.
4.What are the payment terms?
Answer:We offer flexible payment terms, including:
- Full payment before shipping
- 50% deposit upon order confirmation.
- Remaining balance before shipment.
Payments are typically made via SWIFT transfer. For long-term partners, we can explore customized payment plans based on mutual agreement.
5.What kind of after-sales support do you provide?
Answer:We offer comprehensive after-sales support, including:
- Technical Assistance: Troubleshooting via email, phone, or video calls.
- Spare Parts: Quick access to replacement parts for machines under warranty or through spare part orders.
- Documentation: User manuals, maintenance guides, and troubleshooting SOPs for all products.
- On-Site Support: For critical issues, we can dispatch technicians to your location (subject to availability and agreement).
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