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LOCTITE® ECI 1011 – Thermoplastic Silver Conductive Ink – Printed antennas, circuits, and electronic applications

  • Item Name: LOCTITE® ECI 1011

  • Manufacturer: Henkel

  • Technologies: Thermoplastic, silver conductive ink

  • Color: Gray paste

  • Cure Type: Heat drying and heat sintering

  • Package Size: Contact to Techniq VN for details.

  • Shelf Life: 12 months

1. Product Overview

LOCTITE® ECI 1011 is a thermoplastic, silver-filled conductive ink that offers exceptionally high conductivity, smooth appearance, and strong adhesion to PET, PI, PEN, and paper substrates. With a particle size below 2 µm, the ink partially sinters during drying, resulting in a shiny coating and ultra-low resistance (~0.0029 Ω/sq/25 µm). It is suitable for multiple printing techniques including screen, flexographic, and rotogravure. Designed for maximum performance up to 105°C, it is Henkel’s most conductive silver ink, making it ideal for fine conductive circuits and antenna structures.


2. Applications

  • UHF and HF antenna assembly

  • Printed circuits for electronics and RFID tags

  • High-conductivity traces on PET, PEN, PI, and paper

  • Flexible electronic circuitry requiring ultra-low resistance

  • Conductive layers for hybrid printed electronics designs

3. Typical Properties

Category Property Value
Undried Technology Thermoplastic
Appearance Gray paste
Filler Type Silver
Particle Size <2 µm
Solid Content 76 %
Density 3 g/ml
Viscosity (25°C, shear rate 1.5 s⁻¹) 7,500 mPa·s
Thixotropic Index (15/1.5 s⁻¹) 2.5
Theoretical Coverage (10 µm film) 10 m²/kg
Shelf Life (20°C) 365 days
Operating Temperature (max) 105 °C
Drying Cycle 10 min @ 150°C
Dried Adhesion on PET Grade 5B (ASTM 3359)
Sheet Resistance (25 µm film, 10 min @ 150°C) 0.0029 Ω/sq

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