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 Renowned across diverse sectors, PET foils shine with their exemplary strength, crystal-clear transparency, and remarkable resistance to chemicals. They act as formidable barriers, showcasing versatility and sustainability, making them perfect for both everyday essentials and niche market applications.
Applications of PET Foils in Printing
Here's a detailed exploration of how PET foils are utilized in various segments where precise and high-quality printing is indispensable:
1. Packaging
- Food Packaging: An essential choice for snack bags, wrappers, and films that are metallized, ensuring a robust barrier against moisture, oxygen, and aroma.
- Pharmaceuticals: Perfectly suited for blister packs and sterile packaging, these foils offer impeccable protection against moisture and potential contaminants.
2. Electronics
- Insulation Films: Act as protective barriers in cables, dielectric films in capacitors, and support in flexible printed circuits, ensuring durability and reliability.
3. Printing & Labels
- Durable Labels: Widely used in product labels, and integral to electronics and machinery, due to their exceptional tear resistance.
- Lamination Films: Vital for preserving the integrity of documents, ID cards, and credit cards with their robust lamination.
- Graphic Arts: Essential for banners, decals, and holograms, leveraging PET's superb printability and longevity.
4. Automotive
- Protective Films: Ideal for safeguarding paint finishes and enhancing decorative interiors with their protective attributes.
5. Medical
- Sterile Packaging: Critical for ensuring the safety and extended shelf-life of sensitive medical devices.
6. Industrial
- Release Liners: Function as essential carriers for adhesives and composites, facilitating seamless application.
7. Textiles
- Laminated Fabrics: Transform materials into waterproof and weather-resistant solutions ideal for outdoor adventures.
8. Specialty Applications
- 3D Printing: Serve as substrates or support materials, playing a vital role in the 3D printing process.
- Arts & Crafts: Perfect for stencils and transparent overlays, offering clarity and durability for creative projects.
The Challenge of Printing on PET Foils
Printing on PET foils presents unique challenges due to their low surface energy. Enhance printing quality on PET foils with plasma treatment by adopting a thorough approach to boost ink adhesion and print durability:
1. Plasma Type and Gas Selection
Oxygen Plasma
- Introduces polar functional groups, such as -OH and -COOH, to elevate surface energy and improve ink wettability, especially for water-based and solvent-based inks.
- Enhances the wettability, making it especially effective for water-based and solvent-based inks.
Nitrogen or Argon Plasma
- Enhances cross-linking or provides gentle etching for mechanical interlocking, proving particularly advantageous for UV-curable inks.
- Proves particularly beneficial for UV-curable inks.
Mixed Gases (e.g., O + Ar)
- Combines chemical activation with physical etching to tailor surface roughness, thus optimizing ink anchoring and adhesion.
- Tailors the surface roughness to optimize ink anchoring.
2. Key Parameters Optimization
- Power: Set low for atmospheric plasma systems; adjust high for vacuum systems to achieve optimal treatment.
- Treatment Time: Ensure your atmospheric systems deliver swift and efficient performance without compromising speed.
- Pressure:
- Vacuum plasma: Maintain a precise range of 0.1-1 mbar to guarantee uniform treatment across materials.
- Atmospheric plasma: Operates seamlessly at ambient pressure, ideal for continuous inline processing.
- Distance: Carefully adjust based on the plasma source and the PET material to ensure optimal uniformity and precise heat control.
3. Equipment Considerations
Atmospheric Plasma
- Perfect for high-speed roll-to-roll printing processes, such as packaging and labels, ensuring excellence in quality.
Low-Pressure Plasma
- Tailored for precision treatment, ideal for sensitive applications like electronics or medical packaging.
Plasma Jet Arrays
- Guarantee uniform treatment across expansive, wide-format PET foils with robust plasma jet arrays.
4. Surface Activation
Chemical Modification
- Introduces polar groups, significantly boosting surface energy to target a contact angle of less than 40°.
- Dramatically enhances ink wetting and adhesion for superior results.
Physical Etching
- Creates nano-scale roughness (10-50 nm Ra), improving mechanical ink bonding.
Cleaning
- Efficiently removes oils, additives, or dust that may impede adhesion.
5. Post-Treatment Handling
- Immediate Printing: Ensure to print within 15-60 minutes, avoiding hydrophobic recovery and maintaining quality.
- Storage: For delayed printing, store in dry, inert environments like a nitrogen atmosphere to preserve condition.
- Primers: Enhance long-term durability with adhesion promoters, such as silanes.
6. Characterization and Validation
- Contact Angle Measurement: Target a contact angle of less than 40° for water to confirm surface hydrophilicity.
- Ink Adhesion Tests:
- Conduct the Tape Test (ASTM D3359) for robust peel resistance.
- Perform abrasion resistance tests, such as the Sutherland Rub Tester, for enduring quality.
- Surface Analysis:
- Utilize XPS/FTIR for precise oxygen-functional group verification.
- Employ AFM to accurately measure roughness, targeting Ra 10-50 nm.
7. Industrial Implementation Tips
- Uniformity: Achieve flawless uniformity by using rotating electrodes or multi-jet arrays in roll-to-roll systems.
- Ink Compatibility:
- Hydrophilic surfaces suit water-based inks perfectly.
- For solvent/UV inks, moderate roughness enhances anchoring effectively.
- Pre-Treatment Cleaning: Use ionized air or mild solvents, like isopropyl alcohol, for efficient dust and static removal.
8. Troubleshooting Common Issues
Poor Ink Adhesion
- Enhance results by increasing plasma power or treatment time.
- Switch to oxygen plasma for improved adhesion.
- Ensure surface is free from contamination for optimal adhesion.
Over-Treatment
- If PET becomes brittle or discolored, reduce plasma power or treatment time.
Ink Spreading Issues
- Enhance the surface energy to seamlessly align with the specific viscosity and flow behavior of your ink, ensuring superior application results.
By adeptly fine-tuning plasma surface treatment parameters and seamlessly integrating them into your production line, you can dramatically enhance ink adhesion and the durability of prints on PET foils. This strategy paves the way for vibrant and enduring prints, all while upholding high production efficiency.
Collaborate with Keylink Technology
Keylink Technology excels in delivering atmospheric and low-temperature plasma systems. We provide both standard and bespoke solutions that are expertly customized to meet your PET printing requirements. Reach out to us for material testing and experience an elevation in print quality through our proficient 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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