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:
- Vacuum plasma: Maintain an optimal range of 0.1-1 mbar to ensure consistently uniform surface treatment.
- Atmospheric plasma: Operates seamlessly at ambient pressure, perfect for efficient inline processing.
- Distance: Fine-tune adjustments based on the plasma source and PET material characteristics to guarantee uniformity and precise heat control.
3. Equipment Considerations
Atmospheric Plasma
- An ideal choice for high-speed roll-to-roll printing applications, such as packaging and labels.
Low-Pressure Plasma
- Perfect for precision treatments required in electronics or medical packaging applications.
Plasma Jet Arrays
- Designed to ensure comprehensive and uniform treatment across wide-format PET foils.
4. Surface Activation
Chemical Modification
- Introduces polar groups to boost surface energy, targeting a contact angle of less than 40°.
- Significantly enhances ink wetting and adhesion properties.
Physical Etching
- Creates nano-scale roughness (10-50 nm Ra) to improve mechanical bonding of inks.
Cleaning
- Effectively removes oils, additives, or dust that may impair adhesion.
5. Post-Treatment Handling
- Immediate Printing: Aim to print within 15-60 minutes to prevent hydrophobic recovery.
- Storage: Store in dry, inert environments, such as a nitrogen atmosphere, if printing is postponed.
- Primers: Utilize adhesion promoters, such as silanes, for enhanced long-term durability.
6. Characterization and Validation
- Contact Angle Measurement: Target a contact angle of < 40° for water to confirm hydrophilicity.
- Ink Adhesion Tests:
- Conduct Tape Test (ASTM D3359) to assess peel resistance.
- Perform abrasion resistance tests, such as with a Sutherland Rub Tester.
- Surface Analysis:
- Utilize XPS/FTIR for verifying oxygen-functional groups.
- Employ AFM to measure surface roughness, targeting Ra 10-50 nm.
7. Industrial Implementation Tips
- Uniformity: Deploy rotating electrodes or multi-jet arrays for roll-to-roll systems to ensure uniform treatment.
- Ink Compatibility:
- Select water-based inks for hydrophilic surfaces.
- For solvent/UV inks, moderate surface roughness enhances anchoring.
- 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 increasing plasma power or duration.
- Switching to oxygen plasma may be beneficial.
- Inspect for potential surface contamination.
Over-Treatment
- If PET becomes brittle or discolored, reduce plasma power or treatment time.
Ink Spreading Issues
- Adjust surface energy to align with ink viscosity and flow characteristics for optimal performance.
By meticulously fine-tuning the parameters for plasma surface treatment and seamlessly integrating them into your production line, you have the power to notably enhance ink adhesion and bolster print durability on PET foils. This transformative process ensures that your prints are not only vibrant and eye-catching but also enduringly beautiful, all while upholding the highest levels of production efficiency.
Forge a strategic alliance with Keylink Technology and unlock a new realm of possibilities.
At Keylink Technology, we excel in delivering state-of-the-art atmospheric and low-temperature plasma systems. Our offerings include an array of both standard and bespoke solutions specifically designed to cater to your PET printing requirements. Reach out to us today to put your materials to the test and elevate your print quality with our industry-leading surface treatment expertise.
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).
Audited Supplier 
){kind=link}