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 esteemed across a multitude of industries for their superior strength, crystal-clear transparency, robust chemical resistance, and excellent barrier properties. Their remarkable versatility and eco-friendly recyclability make them the go-to choice for both routine and highly specialized applications.
Applications of PET Foils in Printing
Explore a comprehensive and structured overview of applications where printing on PET foils is not just needed but ideal:
1. Packaging
- Food Packaging: Perfectly suited for snack bags, wrappers, and metallized films, PET foils provide exceptional barriers against moisture, oxygen, and aromas, preserving freshness and extending shelf life.
- Pharmaceuticals: Essential for creating blister packs and sterile packaging solutions that ensure protection from moisture and contamination.
2. Electronics
- Insulation Films: Act as vital protective layers in cables, capacitors (functioning efficiently as dielectric films), and flexible printed circuits.
3. Printing & Labels
- Durable Labels: Widely used in product labels, electronics, and machinery, they are prized for their high tear resistance and longevity.
- Lamination Films: Ideal for safeguarding documents, ID cards, and credit cards.
- Graphic Arts: Whether for banners, decals, or holograms, PET foils offer outstanding printability and durability to enhance visual appeal.
4. Automotive
- Protective Films: Deployed for paint protection and stylish decorative interior foils, safeguarding vehicle aesthetics.
5. Medical
- Sterile Packaging: Guarantees the integrity and extended longevity of crucial medical devices.
6. Industrial
- Release Liners: Serve as essential carriers for adhesives and composite materials.
7. Textiles
- Laminated Fabrics: Innovatively create waterproof and weather-resistant materials, perfect for outdoor gear and apparel.
8. Specialty Applications
- 3D Printing: Utilized as versatile substrates or support materials.
- Arts & Crafts: Ideal for creating stencils and transparent overlays, unleashing creativity.
The Challenge of Printing on PET Foils
Printing on PET foils presents a unique challenge due to their inherently low surface energy. To elevate printing quality on PET foils through plasma surface treatment, adhere to this meticulously structured approach designed to optimize both ink adhesion and print durability:
1. Plasma Type and Gas Selection
Oxygen Plasma
- Strategically introduces polar functional groups such as -OH and -COOH to significantly boost surface energy.
- Remarkably enhances wettability, particularly effective for water-based and solvent-based inks.
Nitrogen or Argon Plasma
- Augments cross-linking capabilities or provides subtle etching for robust mechanical interlocking.
- Especially advantageous for UV-curable inks.
Mixed Gases (e.g., O + Ar)
- Combines the power of chemical activation with physical etching.
- Expertly tailors surface roughness to maximize ink anchoring performance.
2. Key Parameters Optimization
- Power: Low power settings are suitable for atmospheric plasma treatments, while high power is recommended for vacuum systems to achieve optimal results.
- Treatment Time: Optimize your atmospheric system for swift and efficient operation, maintaining speed without compromise.
- Pressure:
- Vacuum plasma: Maintain 0.1-1 mbar to ensure a consistently uniform treatment for optimal results.
- Atmospheric plasma: Seamlessly operates at ambient pressure, perfect for inline processing to enhance throughput.
- Distance: Precisely adjust according to the plasma source and PET material to ensure consistent uniformity and effective heat management.
3. Equipment Considerations
Atmospheric Plasma
- Perfectly suited for high-speed roll-to-roll printing applications, such as packaging and labels.
Low-Pressure Plasma
- Tailored for exacting precision treatment in electronics or medical packaging sectors.
Plasma Jet Arrays
- Guarantees uniform treatment across wide-format PET foils, achieving comprehensive coverage.
4. Surface Activation
Chemical Modification
- Enhances the surface by adding polar groups that amplify surface energy; target a contact angle of less than 40°.
- Significantly improves ink wetting and adhesion for superior application.
Physical Etching
- Creates nano-scale roughness (10-50 nm Ra) for enhanced mechanical bonding of inks, supporting durability.
Cleaning
- Effectively removes oils, additives, or dust that can impede adhesion, ensuring a pristine surface.
5. Post-Treatment Handling
- Immediate Printing: Proceed with printing within 15-60 minutes to prevent hydrophobic recovery and retain surface activation.
- Storage: For delayed printing, store in dry, inert environments like a nitrogen atmosphere to preserve treated surfaces.
- Primers: Apply adhesion promoters, such as silanes, to guarantee long-term durability and performance.
6. Characterization and Validation
- Contact Angle Measurement: Strive for a contact angle of less than 40° with water, affirming the hydrophilicity of the surface.
- Ink Adhesion Tests:
- Conduct Tape Test (ASTM D3359) to evaluate peel resistance and ensure adhesion quality.
- Perform abrasion resistance tests using equipment like the Sutherland Rub Tester for durability assessment.
- Surface Analysis:
- Utilize XPS/FTIR for the verification of oxygen-functional groups, confirming surface chemistry.
- Employ AFM to measure surface roughness, targeting an Ra of 10-50 nm for optimal texturing.
7. Industrial Implementation Tips
- Uniformity: Incorporate rotating electrodes or multi-jet arrays in roll-to-roll systems for consistent coverage.
- Ink Compatibility:
- Hydrophilic surfaces are ideal for water-based inks, enhancing application.
- Moderate roughness improves anchoring for solvent or UV inks, ensuring robust adhesion.
- Pre-Treatment Cleaning: Utilize ionized air or mild solvents, such as isopropyl alcohol, to efficiently remove dust and static.
8. Troubleshooting Common Issues
Poor Ink Adhesion
- Consider increasing plasma power or time for enhanced adhesion.
- Switch to oxygen plasma for improved results if necessary.
- Verify surface for contamination to ensure optimal treatment.
Over-Treatment
- If PET becomes brittle or discolored, reduce plasma power or time to maintain material integrity.
Ink Spreading Issues
- Enhance surface energy meticulously to harmonize with ink's specific viscosity and optimal flow characteristics, ensuring seamless adhesion and flawless print quality.
By meticulously fine-tuning plasma surface treatment parameters and seamlessly integrating them into your production line, you can dramatically enhance ink adhesion and boost print durability on PET foils. This ensures vibrant, enduring prints that captivate, all while maintaining top-notch production efficiency.
Collaborate with Keylink Technology
Keylink Technology is your specialist in atmospheric and low-temperature plasma systems. We provide both standard and bespoke solutions perfectly aligned with your PET printing needs. Reach out to us for material testing and elevate your print quality with our expert surface treatment solutions, designed to surpass expectations.
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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