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 the go-to choice across numerous industries because of their unmatched strength, crystal-clear transparency, superior chemical resistance, and outstanding barrier properties. Their exceptional versatility and eco-friendly recyclability make them perfect for both everyday essentials and highly specialized applications, meeting diverse needs with brilliance.
Applications of PET Foils in Printing
Here's a thorough and insightful overview of the extensive applications where printing is a vital necessity:
1. Packaging
- Food Packaging: Essential for snack bags, wrappers, and metallized films, offering superior moisture, oxygen, and aroma barriers for freshness and flavor retention.
- Pharmaceuticals: Integral in blister packs and sterile packaging, safeguarding contents against moisture and contamination, ensuring safety and integrity.
2. Electronics
- Insulation Films: Crucial as protective layers in cables, capacitors (acting as dielectric films), and flexible printed circuits, enhancing durability and performance.
3. Printing & Labels
- Durable Labels: Widely used in product labels, electronics, and machinery, celebrated for their high tear resistance and reliability.
- Lamination Films: Applied to documents, ID cards, and credit cards, offering a protective and durable finish that lasts.
- Graphic Arts: Ideal for banners, decals, and holograms, showcasing PET's printability and legendary durability.
4. Automotive
- Protective Films: Employed for superior paint protection and decorative interior foils, enhancing vehicle aesthetics and longevity.
5. Medical
- Sterile Packaging: Ensures the safety and outstanding longevity of medical devices, safeguarding integrity and sterility.
6. Industrial
- Release Liners: Serve as essential carriers for adhesives and composites, ensuring smooth and reliable application.
7. Textiles
- Laminated Fabrics: Innovatively create waterproof and weather-resistant materials, perfect for outdoor gear and extreme conditions.
8. Specialty Applications
- 3D Printing: Utilized as substrates or support materials, enhancing the precision and quality of 3D prints.
- Arts & Crafts: Perfect for stencils and transparent overlays, fostering creativity and precision in artistic endeavors.
The Challenge of Printing on PET Foils
Printing on PET poses unique challenges due to its naturally low surface energy. However, by employing plasma surface treatment, you can significantly enhance printing quality. This strategic approach is designed to optimize ink adhesion and improve print durability, ensuring vibrant and long-lasting results:
1. Plasma Type and Gas Selection
Oxygen Plasma
- Introduces polar functional groups (-OH, -COOH), significantly boosting surface energy for enhanced ink adhesion.
- Improves wettability, making it particularly effective for both water-based and solvent-based inks.
Nitrogen or Argon Plasma
- Enhances cross-linking or provides gentle etching, allowing for mechanical interlocking that benefits UV-curable inks.
- Particularly useful for creating strong bonds with UV-curable inks.
Mixed Gases (e.g., O + Ar)
- Combines the power of chemical activation with physical etching, finely tuning surface roughness for optimal ink anchoring.
- Tailors surface texture to enhance ink retention and durability.
2. Key Parameters Optimization
- Power: Maintain low power for atmospheric plasma systems and higher power levels for vacuum systems, balancing effectiveness and efficiency.
- Treatment Time: Opt for atmospheric systems to streamline process speed and efficiency.
- Pressure:
- Vacuum plasma: Maintain 0.1-1 mbar for consistent, uniform treatment results.
- Atmospheric plasma: Utilize ambient pressure environments for seamless inline processing.
- Distance: Carefully adjust according to the plasma source and PET material to guarantee treatment uniformity and optimal heat management.
3. Equipment Considerations
Atmospheric Plasma
- Perfectly tailored for high-speed roll-to-roll printing applications, including packaging and labels.
Low-Pressure Plasma
- Exceptionally suitable for precision treatment required in the electronics or medical packaging sectors.
Plasma Jet Arrays
- Designed to deliver uniform treatment coverage across expansive wide-format PET foils.
4. Surface Activation
Chemical Modification
- Introducing polar groups that significantly boost surface energy, achieving a target contact angle of less than 40°.
- Optimizes ink wetting and significantly enhances adhesion.
Physical Etching
- Creates nano-scale roughness (10-50 nm Ra) that facilitates superior mechanical bonding of inks.
Cleaning
- Effectively removes oils, additives, or dust that can impede adhesion.
5. Post-Treatment Handling
- Immediate Printing: Conduct printing within 15-60 minutes post-treatment to prevent hydrophobic recovery.
- Storage: If printing is deferred, store in dry, inert environments, such as a nitrogen atmosphere, to maintain integrity.
- Primers: Employ adhesion promoters, like silanes, to ensure long-term durability.
6. Characterization and Validation
- Contact Angle Measurement: Aim for a contact angle of less than 40° with water to verify hydrophilicity.
- Ink Adhesion Tests:
- Conduct Tape Test (ASTM D3359) to assess peel resistance.
- Perform abrasion resistance tests using devices like the Sutherland Rub Tester.
- Surface Analysis:
- Use XPS/FTIR techniques to verify the presence of oxygen-functional groups.
- Utilize AFM to assess surface roughness, targeting an Ra of 10-50 nm.
7. Industrial Implementation Tips
- Uniformity: Implement rotating electrodes or multi-jet arrays within roll-to-roll systems for enhanced uniformity.
- Ink Compatibility:
- Hydrophilic surfaces pair well with water-based inks.
- Moderate roughness enhances anchoring for solvent/UV inks.
- Pre-Treatment Cleaning: Use ionized air or mild solvents, such as isopropyl alcohol, to effectively remove dust and static.
8. Troubleshooting Common Issues
Poor Ink Adhesion
- Increase plasma power or duration for improved results.
- Consider the use of oxygen plasma for better adhesion.
- Inspect for any surface contamination that may disrupt adhesion.
Over-Treatment
- If the PET becomes brittle or discolored, reduce plasma power or duration to prevent over-treatment.
Conquer Ink Spreading Challenges with Precision
- Elevate your production process by optimizing surface energy to seamlessly align with ink viscosity and flow dynamics, ensuring perfect prints every time.
By meticulously fine-tuning plasma surface treatment parameters and seamlessly integrating them into your production line, you can dramatically enhance ink adhesion and print longevity on PET foils. This not only results in vivid, enduring prints but also upholds your production efficiency, ensuring you always deliver excellence.
Collaborate with Keylink Technology for Unmatched Success
At Keylink Technology, we are experts in atmospheric and low-temperature plasma systems, offering both standard and bespoke solutions tailored to meet your unique PET printing requirements. Reach out to us to test your materials and elevate your print quality with our specialized 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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