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 for their unmatched strength and transparency, PET foils are a staple in numerous industries. Their remarkable chemical resistance and exceptional barrier properties make them indispensable. Not only are they versatile and recyclable, but they also seamlessly cater to both everyday and specialized applications, setting a benchmark in material engineering.
Applications of PET Foils in Printing
Let's delve into a comprehensive overview of their applications, especially where the precision and quality of printing are paramount:
1. Packaging
- Food Packaging: Perfectly suited for snack bags, wrappers, and metallized films, PET foils provide unparalleled barriers against moisture, oxygen, and aroma, ensuring freshness and quality.
- Pharmaceuticals: Used extensively in blister packs and sterile packaging to offer robust protection against moisture and contamination, ensuring product integrity.
2. Electronics
- Insulation Films: As protective layers in cables and capacitors, and in flexible printed circuits, they enhance durability and efficiency.
3. Printing & Labels
- Durable Labels: Withstanding the toughest conditions, these labels are indispensable in electronics and machinery, owing to their high tear resistance.
- Lamination Films: Essential for the longevity of documents, ID cards, and credit cards, they add a layer of durability and sophistication.
- Graphic Arts: Ideal for banners, decals, and holograms, their printability and durability add a creative edge to visual displays.
4. Automotive
- Protective Films: These films are crucial for paint protection and the aesthetic enhancement of decorative interior foils.
5. Medical
- Sterile Packaging: They ensure the uncompromised safety and longevity of medical devices, meeting the highest standards of hygiene.
6. Industrial
- Release Liners: Functioning as carriers, they are vital for adhesives and composites, playing a key role in manufacturing processes.
7. Textiles
- Laminated Fabrics: These fabrics are crafted to withstand the elements, making them perfect for outdoor gear with waterproof and weather-resistant properties.
8. Specialty Applications
- 3D Printing: Serving as substrates or support materials, they are integral to the innovative world of 3D printing.
- Arts & Crafts: From stencils to transparent overlays, they enable creativity and precision in artistic ventures.
The Challenge of Printing on PET Foils
Overcoming the challenges of printing on PET foils, with their inherently low surface energy, requires strategic plasma surface treatment. This approach is designed to elevate ink adhesion and enhance print durability, ensuring immaculate results:
1. Plasma Type and Gas Selection
Oxygen Plasma
- It introduces polar functional groups like -OH and -COOH, dramatically increasing surface energy.
- This transformation improves wettability, particularly for both water-based and solvent-based inks.
Nitrogen or Argon Plasma
- These enhance cross-linking or provide gentle etching, ensuring mechanical interlocking.
- They are especially advantageous for UV-curable inks.
Mixed Gases (e.g., O + Ar)
- This combination merges chemical activation with physical etching.
- It carefully tunes surface roughness to optimize ink anchoring, leading to superior print quality.
2. Key Parameters Optimization
- Power: Tailor power settings to be low for atmospheric plasma treatments and high for vacuum systems, maximizing treatment efficiency.
- Treatment Time: Streamlined for atmospheric systems, ensuring optimal speed and efficiency.
- Pressure:
- Vacuum plasma: Maintains 0.1-1 mbar pressure offering consistent, uniform treatment.
- Atmospheric plasma: Functions at ambient pressure, ideal for seamless inline processing.
- Distance: Carefully adjust according to plasma source and PET material for optimal uniformity and heat management.
3. Equipment Considerations
Atmospheric Plasma
- Perfectly suited for high-speed roll-to-roll printing, such as in packaging and labeling.
Low-Pressure Plasma
- Tailored for precise treatment within electronics and medical packaging realms.
Plasma Jet Arrays
- Guarantee even treatment across expansive PET foil surfaces.
4. Surface Activation
Chemical Modification
- Incorporates polar groups to elevate surface energy, aiming for a contact angle less than 40°.
- Boosts ink wetting capabilities and enhances adhesion properties.
Physical Etching
- Creates nano-scale roughness (10-50 nm Ra) to strengthen mechanical ink bonding.
Cleaning
- Eliminates oils, additives, and dust which could impede adhesion.
5. Post-Treatment Handling
- Immediate Printing: Ensure printing occurs within 15-60 minutes to prevent hydrophobic recovery.
- Storage: Store in dry, inert conditions, like a nitrogen atmosphere, if there's a delay in printing.
- Primers: Apply adhesion promoters, such as silanes, for enhanced long-term durability.
6. Characterization and Validation
- Contact Angle Measurement: Target a contact angle of less than 40° to confirm the surface's hydrophilicity.
- Ink Adhesion Tests:
- Employ Tape Test (ASTM D3359) to assess peel resistance.
- Conduct abrasion resistance tests, such as with a Sutherland Rub Tester.
- Surface Analysis:
- Utilize XPS/FTIR to verify the presence of oxygen-functional groups.
- Implement AFM for roughness measurement, targeting Ra 10-50 nm.
7. Industrial Implementation Tips
- Uniformity: Employ rotating electrodes or multi-jet arrays within roll-to-roll systems for uniform application.
- Ink Compatibility:
- For water-based inks: Ensure surfaces are hydrophilic.
- For solvent/UV inks: Moderate roughness facilitates stronger anchoring.
- Pre-Treatment Cleaning: Use ionized air or mild solvents like isopropyl alcohol to effectively eliminate dust and static.
8. Troubleshooting Common Issues
Poor Ink Adhesion
- Enhance plasma power or extend treatment time for improved bonding.
- Consider transitioning to oxygen plasma for better results.
- Inspect for any surface contamination that may affect adhesion.
Over-Treatment
- If PET appears brittle or discolored, decrease plasma power or shorten treatment duration.
Trouble with Ink Spreading? Let Us Help!
- Enhance the surface energy to perfectly align with the ink's viscosity and flow behavior, ensuring optimal performance.
By meticulously fine-tuning the parameters of plasma surface treatment and seamlessly integrating them into your production process, you can dramatically enhance ink adhesion and ensure print durability on PET foils. This meticulous approach allows for vibrant, enduring prints while safeguarding the efficiency of your production line.
Join Forces with Keylink Technology
Keylink Technology is your expert in atmospheric and low-temperature plasma systems. We provide both standard and bespoke solutions, perfectly tailored to meet your specific PET printing requirements. Reach out to us to test your materials, and discover how our expert surface treatment solutions can elevate your print quality to new heights.
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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