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 celebrated across various sectors for their exceptional strength, crystal-clear transparency, outstanding chemical resistance, and superior barrier capabilities. Their unmatched adaptability and environmentally friendly recyclability make them the prime choice for both everyday uses and niche applications.
Applications of PET Foils in Printing
Discover the diverse applications of PET foils where printing is not just an option but a necessity:
1. Packaging
- Food Packaging: Essential for crafting snack bags, wrappers, and metallized films that provide robust barriers against moisture, oxygen, and aromas.
- Pharmaceuticals: Integral in creating blister packs and sterile packaging that shield against moisture and contamination.
2. Electronics
- Insulation Films: Serve as crucial protective layers in cables, capacitors (as dielectric films), and flexible printed circuits.
3. Printing & Labels
- Durable Labels: Widely used in product labels, electronics, and machinery for their remarkable tear resistance.
- Lamination Films: Perfect for enhancing documents, ID cards, and credit cards with added protection.
- Graphic Arts: Ideal for banners, decals, and holograms, thanks to PET's excellent printability and longevity.
4. Automotive
- Protective Films: Commonly utilized for paint protection and adding a decorative touch to interior foils.
5. Medical
- Sterile Packaging: Ensures the safety, sterility, and longevity of critical medical devices.
6. Industrial
- Release Liners: Serve as essential carriers for adhesives and composites in industrial applications.
7. Textiles
- Laminated Fabrics: Used to create waterproof and weather-resistant textiles perfect for outdoor gear and apparel.
8. Specialty Applications
- 3D Printing: Serve as reliable substrates or support materials in 3D printing processes.
- Arts & Crafts: Ideal for creating stencils and transparent overlays in artistic endeavors.
The Challenge of Printing on PET Foils
Printing on PET foils presents unique challenges due to their inherently low surface energy. To elevate the printing quality, employing plasma surface treatment is key. This method is tailored to enhance ink adhesion and ensure print durability through the following steps:
1. Plasma Type and Gas Selection
Oxygen Plasma
- Introduces polar functional groups (-OH, -COOH) to significantly boost surface energy.
- Enhances wettability, making it especially effective for water-based and solvent-based inks.
Nitrogen or Argon Plasma
- Improves cross-linking or provides subtle etching for mechanical interlocking prowess.
- Invaluable for UV-curable inks, providing enhanced performance.
Mixed Gases (e.g., O + Ar)
- Merges chemical activation with precise physical etching.
- Customizes surface roughness to optimize ink anchoring and adhesion.
2. Key Parameters Optimization
- Power: Set low for atmospheric plasma systems; high for vacuum systems to achieve desired results.
- Treatment Time: Highly efficient for atmospheric systems, ensuring swift and seamless operations.
- Pressure:
- Vacuum plasma: Achieve a precise 0.1-1 mbar for unmatched uniform treatment across surfaces.
- Atmospheric plasma: Operates seamlessly at ambient pressure, ideal for efficient inline processing.
- Distance: Expertly adjust based on plasma source and PET material for optimal uniformity and precise heat management.
3. Equipment Considerations
Atmospheric Plasma
- Perfect for high-speed roll-to-roll printing applications, such as packaging and labels.
Low-Pressure Plasma
- Tailored for precision treatment, making it indispensable for electronics and medical packaging solutions.
Plasma Jet Arrays
- Guarantee uniform treatment across expansive wide-format PET foils with precision.
4. Surface Activation
Chemical Modification
- Imparts polar groups that significantly increase surface energy (targeting a contact angle of < 40°).
- Drastically improves ink wetting and ensures superior adhesion.
Physical Etching
- Creates nano-scale roughness (10-50 nm Ra) for enhanced mechanical bonding of ink.
Cleaning
- Efficiently removes oils, additives, and dust to enhance adhesion potential.
5. Post-Treatment Handling
- Immediate Printing: Proceed with printing within 15-60 minutes to prevent hydrophobic recovery and maintain surface readiness.
- Storage: Preserve in dry, inert environments, such as a nitrogen atmosphere, if printing is postponed.
- Primers: Employ adhesion promoters like silanes to ensure long-lasting durability.
6. Characterization and Validation
- Contact Angle Measurement: Aim for a contact angle of < 40° for water, confirming hydrophilicity.
- Ink Adhesion Tests:
- Conduct Tape Test (ASTM D3359) for assessing peel resistance.
- Perform abrasion resistance tests using tools like the Sutherland Rub Tester.
- Surface Analysis:
- Utilize XPS/FTIR for comprehensive verification of oxygen-functional groups.
- Use AFM to accurately measure roughness, targeting Ra 10-50 nm for optimal results.
7. Industrial Implementation Tips
- Uniformity: Employ rotating electrodes or multi-jet arrays for uniform results in roll-to-roll systems.
- Ink Compatibility:
- Water-based inks: Best suited for hydrophilic surfaces.
- Solvent/UV inks: Beneficial moderate roughness enhances anchoring capabilities.
- Pre-Treatment Cleaning: Apply ionized air or mild solvents, such as isopropyl alcohol, to effectively remove dust and static.
8. Troubleshooting Common Issues
Poor Ink Adhesion
- Boost plasma power or increase treatment time for improved adhesion.
- Consider transitioning to oxygen plasma for enhanced effectiveness.
- Inspect for potential surface contamination that might hinder results.
Over-Treatment
- Lessen plasma power or reduce exposure time if PET becomes brittle or shows discoloration.
Ink Spreading Challenges
- Enhance surface energy levels to perfectly align with the viscosity and flow characteristics of your ink.
Strategically fine-tune the plasma surface treatment parameters and seamlessly incorporate them into your production line. This not only dramatically boosts ink adhesion and print resilience on PET foils but also fosters vibrant, enduring prints while preserving production efficiency.
Collaborate with Keylink Technology
At Keylink Technology, we are pioneers in both atmospheric and low-temperature plasma systems. We provide an array of solutions, from standard offerings to bespoke innovations, all designed to address your specific PET printing requirements. Reach out to us to explore the potential of your materials and revolutionize 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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