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 used in various industries due to their strength, transparency, chemical resistance, and barrier properties. Their versatility and recyclability make them ideal for both everyday and specialized applications.
Applications of PET Foils in Printing
Here's a structured overview of their applications where printing is commonly necessary:
1. Packaging
- Food Packaging: Used for snack bags, wrappers, and metallized films to provide moisture, oxygen, and aroma barriers.
- Pharmaceuticals: Blister packs and sterile packaging that protect against moisture and contamination.
2. Electronics
- Insulation Films: Serve as protective layers in cables, capacitors (as dielectric films), and flexible printed circuits.
3. Printing & Labels
- Durable Labels: Common in product labels, electronics, and machinery due to high tear resistance.
- Lamination Films: Applied to documents, ID cards, and credit cards.
- Graphic Arts: Banners, decals, and holograms benefit from PET's printability and durability.
4. Automotive
- Protective Films: Used for paint protection and decorative interior foils.
5. Medical
- Sterile Packaging: Ensures the safety and longevity of medical devices.
6. Industrial
- Release Liners: Act as carriers for adhesives and composites.
7. Textiles
- Laminated Fabrics: Create waterproof and weather-resistant materials for outdoor gear.
8. Specialty Applications
- 3D Printing: Used as substrates or support materials.
- Arts & Crafts: Stencils and transparent overlays.
The Challenge of Printing on PET Foils
Printing on PET can be tricky because of its low surface energy. To enhance printing quality on PET foils using plasma surface treatment, follow this structured approach tailored to optimize ink adhesion and print durability:
1. Plasma Type and Gas Selection
Oxygen Plasma
- Introduces polar functional groups (-OH, -COOH) to increase surface energy.
- Improves wettability, especially for water-based and solvent-based inks.
Nitrogen or Argon Plasma
- Enhances cross-linking or provides mild etching for mechanical interlocking.
- Particularly useful for UV-curable inks.
Mixed Gases (e.g., O + Ar)
- Combines chemical activation with physical etching.
- Tailors surface roughness to optimize ink anchoring.
2. Key Parameters Optimization
- Power: Low for atmospheric plasma; high for vacuum systems.
- Treatment Time: Shorter for atmospheric systems to maintain speed.
- Pressure:
- Harness the precision of Vacuum plasma with a meticulous range of 0.1-1 mbar, designed to deliver a uniform, consistent treatment for your surfaces.
- Experience the seamless efficiency of Atmospheric plasma, working at ambient pressure to facilitate smooth inline processing.
- Distance: Fine-tune the distance, guided by the plasma source and PET material specifications, to ensure optimal uniformity and controlled heat distribution.
3. Equipment Considerations
Atmospheric Plasma
- Perfectly suited for high-speed roll-to-roll printing applications such as packaging and labels, ensuring top-quality results.
Low-Pressure Plasma
- Tailored for the precision treatment required in the demanding fields of electronics and medical packaging.
Plasma Jet Arrays
- Guarantee a uniform treatment process across extensive wide-format PET foils for exceptional results.
4. Surface Activation
Chemical Modification
- Enhance your surface energy by adding polar groups, aiming for a target contact angle of less than 40° for superior adhesion.
- Boost ink wetting and adhesion effortlessly.
Physical Etching
- Create nano-scale roughness (10-50 nm Ra) to ensure excellent mechanical bonding of ink.
Cleaning
- Efficiently remove oils, additives, or dust particles that may obstruct adhesion for a pristine surface.
5. Post-Treatment Handling
- Immediate Printing: Ensure printing occurs within 15-60 minutes to mitigate the risk of hydrophobic recovery.
- Storage: Preserve treated materials in dry, inert environments such as a nitrogen atmosphere if there are delays in printing.
- Primers: Apply adhesion promoters like silanes to secure long-lasting durability and performance.
6. Characterization and Validation
- Contact Angle Measurement: Strive for a contact angle of less than 40° for water to confirm surface hydrophilicity.
- Ink Adhesion Tests:
- Utilize the Tape Test (ASTM D3359) to evaluate peel resistance and ensure robust adhesion.
- Conduct abrasion resistance tests, such as with a Sutherland Rub Tester, to verify surface durability.
- Surface Analysis:
- Employ XPS/FTIR techniques to verify the presence of oxygen-functional groups, confirming chemical modification.
- Use AFM to precisely measure roughness, aiming for a target Ra of 10-50 nm.
7. Industrial Implementation Tips
- Uniformity: Utilize rotating electrodes or multi-jet arrays in roll-to-roll systems to maintain consistent treatment uniformity.
- Ink Compatibility:
- Hydrophilic surfaces are ideal for water-based inks, ensuring optimal performance.
- Moderate roughness is key for enhancing anchoring with solvent/UV inks.
- Pre-Treatment Cleaning: Utilize ionized air or mild solvents, such as isopropyl alcohol, to effectively remove dust and static.
8. Troubleshooting Common Issues
Poor Ink Adhesion
- Consider boosting plasma power or extending treatment time for better adhesion results.
- Switching to oxygen plasma may resolve adhesion complications.
- Verify the absence of surface contamination to maintain adhesion quality.
Over-Treatment
- If PET becomes brittle or discolored, consider reducing plasma power or treatment time.
Ink Spreading Issues
- Enhance the surface energy compatibility to perfectly align with ink viscosity and optimize the flow behavior for superior performance.
Through the meticulous optimization of plasma surface treatment parameters and their seamless integration into your production line, you can greatly enhance ink adhesion and boost print durability on PET foils. This process empowers you to achieve vibrant and enduring prints without compromising on production efficiency.
Collaborate with Keylink Technology
Keylink Technology is your trusted partner in delivering top-tier atmospheric and low-temperature plasma systems. We provide both standard and bespoke solutions, precisely tailored to meet your PET printing requirements. Reach out to us to test your materials and experience a significant upgrade in print quality through our expert surface treatment solutions.
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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).