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 These foils are a cornerstone in many industries, celebrated for their robust strength, crystal-clear transparency, remarkable chemical resistance, and excellent barrier properties. Their adaptability and eco-friendly recyclability make them a top choice for a broad spectrum of both everyday and niche applications.
Applications of PET Foils in Printing
Here's an organized and detailed overview of where PET foils shine in printing applications:
1. Packaging
- Food Packaging: These foils are indispensable in creating snack bags, wrappers, and metallized films, offering superior barriers against moisture, oxygen, and aroma.
- Pharmaceuticals: Essential for blister packs and sterile packaging, safeguarding products against moisture and contamination.
2. Electronics
- Insulation Films: Provide a protective layer in cables, serve as dielectric films in capacitors, and are key in flexible printed circuits.
3. Printing & Labels
- Durable Labels: Perfect for product labels, electronics, and machinery, prized for their high tear resistance and durability.
- Lamination Films: Vital for laminating documents, ID cards, and credit cards, enhancing longevity.
- Graphic Arts: Banners, decals, and holograms benefit greatly from PET's excellent printability and resilience.
4. Automotive
- Protective Films: Utilize these for paint protection and as decorative interior foils to maintain aesthetic appeal.
5. Medical
- Sterile Packaging: Critical for ensuring the safety and longevity of medical devices and pharmaceuticals.
6. Industrial
- Release Liners: Serve as excellent carriers for adhesives and composites, ensuring smooth application.
7. Textiles
- Laminated Fabrics: Used to create waterproof and weather-resistant materials, ideal for outdoor gear.
8. Specialty Applications
- 3D Printing: Employed as substrates or support structures in the 3D printing realm.
- Arts & Crafts: Optimal for making stencils and transparent overlays, enhancing creativity.
The Challenge of Printing on PET Foils
Printing on PET poses unique challenges due to its low surface energy. To achieve superior printing quality on PET foils, employing plasma surface treatment is a game-changer. Here's a precise approach to elevate ink adhesion and ensure print longevity:
1. Plasma Type and Gas Selection
Oxygen Plasma
- This process introduces polar functional groups like -OH and -COOH, which significantly boost surface energy.
- Enhances wettability, making it especially effective for both water-based and solvent-based inks.
Nitrogen or Argon Plasma
- Facilitates cross-linking or provides mild etching to promote mechanical interlocking, ideal for UV-curable inks.
- Particularly beneficial for inks that require UV curing for a flawless finish.
Mixed Gases (e.g., O + Ar)
- Marries chemical activation with physical etching to tailor surface roughness and optimize ink anchoring.
- This combination is perfect for achieving a balanced surface for robust ink adhesion.
2. Key Parameters Optimization
- Power: For atmospheric plasma systems, a low power setting is sufficient, whereas vacuum systems require higher power.
- Treatment Time: Optimize atmospheric systems to sustain productivity while preserving speed.
- Pressure:
- Vacuum plasma: Maintains 0.1-1 mbar for consistent and uniform treatment.
- Atmospheric plasma: Functions effectively at ambient pressure, ideal for seamless inline processing.
- Distance: Calibrate based on plasma source and PET material to ensure precision, uniformity, and heat control.
3. Equipment Considerations
Atmospheric Plasma
- Perfect for high-speed roll-to-roll printing processes, such as packaging and labels.
Low-Pressure Plasma
- Tailored for precision treatments in electronics and medical packaging sectors.
Plasma Jet Arrays
- Guarantee uniform treatment across expansive wide-format PET foils.
4. Surface Activation
Chemical Modification
- Incorporates polar groups to elevate surface energy, achieving a target contact angle of < 40°.
- Significantly enhances ink wetting and adhesion for superior outcomes.
Physical Etching
- Creates nano-scale roughness (10-50 nm Ra) to bolster mechanical ink bonding.
Cleaning
- Effectively eliminates 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: Maintain in dry, inert environments, such as a nitrogen atmosphere, if printing is postponed.
- Primers: Employ adhesion promoters, like silanes, for enduring durability.
6. Characterization and Validation
- Contact Angle Measurement: Strive for an angle < 40° for water to validate hydrophilicity.
- Ink Adhesion Tests:
- Utilize the Tape Test (ASTM D3359) to measure peel resistance.
- Conduct abrasion resistance tests, such as the Sutherland Rub Tester.
- Surface Analysis:
- Employ XPS/FTIR for verifying oxygen-functional groups.
- Utilize AFM to assess roughness, targeting Ra 10-50 nm.
7. Industrial Implementation Tips
- Uniformity: Implement rotating electrodes or multi-jet arrays in roll-to-roll systems for optimal results.
- Ink Compatibility:
- For water-based inks: Hydrophilic surfaces are essential.
- For solvent/UV inks: Moderate roughness fosters enhanced anchoring.
- Pre-Treatment Cleaning: Apply ionized air or mild solvents, such as isopropyl alcohol, to eliminate dust and static.
8. Troubleshooting Common Issues
Poor Ink Adhesion
- Enhance plasma power or extend treatment time as needed.
- Explore switching to oxygen plasma for improved results.
- Inspect and address surface contamination if present.
Over-Treatment
- Adjust and carefully reduce plasma power or treatment duration if the PET material shows signs of becoming brittle or displays any discoloration. This ensures the integrity and aesthetic appeal of your material are preserved.
Addressing Ink Spreading Challenges
- Expertly optimize surface energy to align perfectly with the specific viscosity and flow characteristics of your ink, ensuring smooth application and flawless results.
By meticulously fine-tuning plasma surface treatment settings and seamlessly integrating them into your production process, you can dramatically enhance ink adhesion and ensure exceptional print durability on PET foils. This process supports the creation of vibrant, enduring prints without compromising production speed or efficiency.
Collaborate with Industry Leaders at Keylink Technology
Keylink Technology excels in providing cutting-edge atmospheric and low-temperature plasma systems. We offer both off-the-shelf and bespoke solutions tailored to meet your specific PET printing demands. Get in touch with us to evaluate your materials and elevate your printing quality with our advanced 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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