FlexLink
Printed Conductive Carbon Pastes
FlexLink™ GS Series
Flexible, highly conductive carbon-based pastes and inks designed to enable next-generation innovation in wearables, sensors, and advanced electronics.
The FlexLink™ GS Series from Carbonix Materials is a high-performance, screen-printable conductive paste system engineered with graphene and graphene-silver composites. This advanced formulation delivers outstanding electrical and mechanical properties—including excellent flexibility, hardness, conductivity, and adhesion—across diverse substrates such as PET, PI, ABS, and ceramic plates. The synergy between graphene and graphene-silver ensures superior conductivity and mechanical durability, making FlexLink™ GS the ideal choice for demanding electronic and printed electronics applications.
Key Advantages
- Enhanced Conductivity: Graphene and graphene-silver integration enables robust and reliable performance in next-generation electronic devices.
- Excellent Adhesion: Optimized to ensure strong bonding to a wide range of flexible and rigid substrates, reducing the risk of delamination during processing.
- Superior Thermal Stability: Engineered for high temperature tolerance, ensuring long-term reliability and performance.
- Cost-Effective: Utilizes advanced materials for enhanced performance at competitive cost, supporting scalable production needs.
- Environmentally Friendly: Formulated to minimize the use of toxic materials and maximize sustainability in advanced manufacturing.
Typical Applications
- Printed electronics: Conductive traces, electrodes, and sensors for flexible and rigid circuits (screen printing, inkjet, flexography).
- Energy storage: Electrodes in supercapacitors and advanced batteries.
- Solar cells: Transparent, highly conductive electrodes for photovoltaic devices.
- RF and antennas: Conductive patterns for antennas and RFID tags.
- Automotive electronics: Touchscreens, displays, and advanced sensors.
- Medical and biosensors: Blood glucose test strips, flexible diagnostic devices, wearable electronics.
FlexLink™ GS Series Specifications
| Specification | GS-02 | GS-04 | GS-06 |
| Appearance | Black, homogeneous paste | Silver-gray, homogeneous paste | Silver-gray, homogeneous paste |
| Solid Content (wt%) | 32 ± 2 | 55 ± 2 | 70 ± 2 |
| Viscosity (cP) | 25,000 ± 5,000 | 18,000 ± 3,000 | 30,000 ± 4,000 |
| Resistivity (Ω•cm) | 10⁻² ~ 10⁻³ | 10⁻³ ~ 10⁻⁴ | 10⁻⁵ ~ 10⁻⁶ |
| Adhesion | 100/100 | 100/100 | 100/100 |
| Pencil Hardness | 1H | 1H | 1H |
| Max Operating Temp (℃) | 400 | 400 | 250 |
| Resistance after Bending (%) | < 5 | < 5 | < 5 |
| Recommended Curing | 150℃ × 20–30 min | 150℃ × 20–30 min | 150℃ × 20–30 min |
*Test Methods: Solid Content (150℃/1h), Viscosity (Viscosity Meter), Resistivity (ASTM D257), Adhesion (ASTM D3359, 3M tape), Pencil Hardness (ASTM D3363), Bending Resistance (ASTM F2749).
Processing Recommendations
- Stirring: 10–15 min at 200–300 rpm prior to use.
- Screen mesh: 200–300 mesh, polyester or stainless steel.
- Printed thickness: 8–12 μm.
- Diluent: 1–3% by total weight (adjust as needed).
- Cleaner: Cyclohexanone or suitable solvent.
Adhesion Test Results:
FlexLink™ GS pastes provide excellent adhesion (4B rating) on PET, ABS, PI, ceramic plates, and more.
