Item Name: LOCTITE® ECI 8090
Manufacturer: Henkel
Technologies: Thermoplastic, Positive Temperature Coefficient (PTC) carbon conductive ink
Color: Black paste
Cure Type: Hot air drying or infrared
Package Size: Contact to Techniq VN for details.
Shelf Life: 12 months
LOCTITE® ECI 8090 is a carbon-filled thermoplastic conductive ink designed for producing low-voltage (<50 V) self-regulating heating elements. This black paste is screen printable, flexible, and compatible with PET, PEN, and PI substrates. With a self-regulating temperature of approximately 85°C, it provides rapid heating and a well-defined cut-off without external control systems. The ink is compatible with silver ink LOCTITE® ECI 1010 and can be blended with non-conductive ink LOCTITE® NCI 8092 to adjust resistance, offering design flexibility for heating elements in electronic applications.
Self-regulating heating elements on flexible foils
Printed heaters for electronic devices and films
Low-voltage heating systems requiring ~85°C cut-off
Hybrid heating circuits combining silver and carbon inks
Adjustable resistance heating designs using NCI 8092 blending
| Category | Property | Value |
|---|---|---|
| Undried | Technology | Thermoplastic |
| Appearance | Black paste | |
| Filler Type | Carbon | |
| Solid Content | 39 % | |
| Density | 1.0 g/cm³ | |
| Viscosity (25°C, shear rate 1.5 s⁻¹) | 100,000 mPa·s | |
| Thixotropic Index (1.5/15 s⁻¹) | 6.0 | |
| Theoretical Coverage (10 µm film) | 38 m²/kg | |
| Shelf Life (8–28°C) | 365 days | |
| Operating Temperature (max) | 95 °C | |
| Drying Cycle | 10 min @ 140°C | |
| Dried | Adhesion on PET | Grade 5B (ASTM 3359) |
| Sheet Resistance (25 µm film, 10 min @ 140°C) | 1,100 Ω/sq | |
| PTC Ratio | 8.2 | |
| Self-Regulation Temperature | ~85 °C |
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Techniq Vietnam provides end-to-end materials and process solutions, integrating world-class technologies in adhesives, soldering, and thermal management.
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