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 indispensable across diverse sectors, celebrated for their robustness, crystal-clear transparency, superior chemical resistance, and exceptional barrier properties. Their adaptability and eco-friendly recyclability make them a prime choice for both routine and high-tech applications, setting a gold standard in versatility.
Applications of PET Foils in Printing
Here's a comprehensive breakdown of their essential applications where high-quality printing becomes crucial:
1. Packaging
- Food Packaging: Essential for crafting snack bags, wrappers, and metallized films, ensuring protection against moisture, oxygen, and aroma infiltration.
- Pharmaceuticals: An integral component for blister packs and sterile solutions that shield contents from moisture and contamination.
2. Electronics
- Insulation Films: Serve as protective barriers in cables, capacitors (functioning as dielectric films), and flexible printed circuits.
3. Printing & Labels
- Durable Labels: Widely used in product labels, electronics, and machinery owing to their formidable tear resistance.
- Lamination Films: Applied to secure documents, ID cards, and credit cards.
- Graphic Arts: Banners, decals, and holograms capitalize on PET's superior printability and enduring resilience.
4. Automotive
- Protective Films: Essential for safeguarding paint and creating decorative interior foils.
5. Medical
- Sterile Packaging: Guarantees the safety and prolonged usability of medical devices.
6. Industrial
- Release Liners: Function as carriers for adhesives and composites, ensuring smooth processing.
7. Textiles
- Laminated Fabrics: Enable the creation of waterproof and weather-resistant materials, ideal for outdoor gear.
8. Specialty Applications
- 3D Printing: Utilized as substrates or support materials, paving the way for innovative designs.
- Arts & Crafts: Perfect for crafting stencils and transparent overlays.
The Challenge of Printing on PET Foils
Printing on PET can be complex due to its inherently low surface energy. To achieve superior printing quality on PET foils, leveraging plasma surface treatment is key. Follow this expertly-crafted protocol to maximize ink adhesion and print durability:
1. Plasma Type and Gas Selection
Oxygen Plasma
- Introduces polar functional groups (-OH, -COOH) to significantly boost surface energy, enhancing the substrate's compatibility.
- Dramatically improves wettability, particularly advantageous for water-based and solvent-based inks.
Nitrogen or Argon Plasma
- Augments cross-linking or supplies gentle etching for robust mechanical interlocking.
- Especially beneficial for UV-curable inks, ensuring longevity and quality.
Mixed Gases (e.g., O + Ar)
- Fuses chemical activation with physical etching, offering a dynamic solution.
- Fine-tunes surface roughness to heighten ink anchoring, ensuring vibrant and lasting prints.
2. Key Parameters Optimization
- Power: Maintain low levels for atmospheric plasma; elevate for vacuum systems to achieve desired effects.
- Treatment TimeEffortlessly ensure atmospheric systems maintain their swift operational speed.
- Pressure:
- Vacuum plasma: Operate with precision at 0.1-1 mbar to achieve exceptional uniform treatment.
- Atmospheric plasma: Seamlessly operate at ambient pressure, perfect for efficient inline processing.
- Distance: Thoughtfully adjust based on the plasma source and PET material to guarantee optimal uniformity and effective heat control.
3. Equipment Considerations
Atmospheric Plasma
- Ideal for blazing-fast roll-to-roll printing processes such as packaging and labels.
Low-Pressure Plasma
- Perfectly suited for meticulous precision treatments in electronics or medical packaging.
Plasma Jet Arrays
- Ensure consistent and uniform treatment across extensive wide-format PET foils.
4. Surface Activation
Chemical Modification
- Skillfully adds polar groups to boost surface energy, aiming for a contact angle of less than 40°.
- Significantly enhances ink wetting and adhesion for superior results.
Physical Etching
- Carefully introduces nano-scale roughness (10-50 nm Ra) for enhanced mechanical ink bonding.
Cleaning
- Efficiently removes oils, additives, or dust that impede adhesion.
5. Post-Treatment Handling
- Immediate Printing: Proceed with printing within 15-60 minutes to prevent hydrophobic recovery.
- Storage: Keep stored in dry, inert environments like a nitrogen atmosphere if there's a printing delay.
- Primers: Utilize adhesion promoters, such as silanes, to ensure long-term durability.
6. Characterization and Validation
- Contact Angle Measurement: Target for a water contact angle below 40° to confirm hydrophilicity.
- Ink Adhesion Tests:
- Perform the Tape Test (ASTM D3359) to assess peel resistance.
- Conduct abrasion resistance tests, such as the Sutherland Rub Tester.
- Surface Analysis:
- Use XPS/FTIR for thorough verification of oxygen-functional groups.
- Use AFM to precisely measure roughness, targeting Ra between 10-50 nm.
7. Industrial Implementation Tips
- Uniformity: Employ rotating electrodes or multi-jet arrays in roll-to-roll systems for impeccable uniformity.
- Ink Compatibility:
- For water-based inks, ensure surfaces are hydrophilic for optimal results.
- Solvent/UV inks: Moderate roughness significantly enhances anchoring.
- Pre-Treatment Cleaning: Use ionized air or mild solvents like isopropyl alcohol to effectively remove dust and static.
8. Troubleshooting Common Issues
Poor Ink Adhesion
- Consider increasing plasma power/time for improved adhesion.
- Switching to oxygen plasma may enhance adhesion for challenging surfaces.
- Verify and address any surface contamination issues.
Over-Treatment
- Reduce plasma power/time if PET shows signs of brittleness or discoloration.
Tackling Ink Spreading Challenges
- Enhance surface energy meticulously to perfectly align with ink viscosity and flow behavior, ensuring seamless application.
By expertly fine-tuning the plasma surface treatment parameters and seamlessly incorporating them into your production line, you can dramatically enhance ink adhesion and print durability on PET foils. This process allows for vibrant, strikingly vivid, and enduring prints while upholding the highest standards of production efficiency.
Collaborate with Keylink Technology for Outstanding Results
Keylink Technology is a leader in atmospheric and low-temperature plasma systems, offering both standard and bespoke solutions customized for your PET printing requirements. Reach out to us to test your materials and elevate your print quality with our unparalleled surface treatment expertise.
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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