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LPMS Coating Guide for
Printed Electronics Technology

LOCTITE® functional inks and coatings are designed to enable the next generation of flexible printed electronics. Our Coating Guide introduces the LOCTITE® product portfolio, provides an overview of various application methods, and highlights materials and solutions for different markets. By building on more than four decades of material formulation and application expertise and our network of industry partners, we enable customers to innovate without the hassle of innovating.

Materials

Henkel has a range of Electrically Conductive Adhesives (ECAs) suitable for Printed Electronics.

Conductive ink
and coating

Conductive ink and coating formulations contain conductive particles for electrical conductivity. Henkel‘s LOCTITE® branded conductive ink portfolio covers different silver (Ag), silver/silver chloride (Ag/AgCI), and carbon ink (C) formulations as well as conductive coatings, including silver (Ag), carbon (C), copper (Cu), and nickel (Ni). Our LOCTITE® conductive inks are designed to print electronic components and circuits and are compatible with different substrates. Conductive inks can be used for many types of applications, including traditional electronic components, such as membrane switches, antennas, sensors, batteries, and more. Conductive coatings can be applied to shielding applications, including Electromagnetic Interference (EMI) applications.

Material Overview

SILVER INK SILVER/SILVER CHLORIDE INK CARBON INK SILVER/COPPER/CARBON /
NICKEL COATING
LOCTITE® EDAG PF 006 E&C LOCTITE® EDAG PE 007 E&C* LOCTITE® EDAG PF 407A E&C LOCTITE® EDAG 109 E&C*
LOCTITE® EDAG PD 056 E&C LOCTITE® EDAG 965SS E&C LOCTITE® EDAG PF 407C E&C LOCTITE® EDAG SP 413 E&C
LOCTITE® EDAG PF 410 E&C LOCTITE® EDAG PE 428E RC E&C* LOCTITE® EDAG 423SS E&C LOCTITE® EDAG 437 E&C
LOCTITE® EDAG PM406V1 E&C LOCTITE® EDAG 7019 LOCTITE® EDAG 440A E&C LOCTITE® EDAG 440 AS E&C
LOCTITE® EDAG 418SS E&C LOCTITE® EDAG 440B E&C LOCTITE® EDAG 1415M E&C
LOCTITE® EDAG PM 460A E&C* LOCTITE® EDAG 965SS E&C LOCTITE® EDAG 6041 E&C
LOCTITE® EDAG 479SS E&C LOCTITE® ECI 7001 E&C
LOCTITE® EDAG 725A (6S54) E&C LOCTITE® ECI 7007 E&C*
LOCTITE® ECI 1001 E&C
LOCTITE® ECI 1006 E&C
LOCTITE® ECI 1010 E&C
LOCTITE® ECI 1011 E&C
LOCTITE® ECI 1014
LOCTITE® ECI 1016
LOCTITE® ECI 1203 E&C
LOCTITE® ECI 1204 E&C
LOCTITE® ECI 1205 E&C
LOCTITE® ECI 1216 E&C
LOCTITE® ECI 1217 E&C
LOCTITE® ECI 1501 E&C

Resistive inks

Resistive inks are formulations based on different conductive inks containing conductive and non-conductive particles. This allows for the adjustment of resistance levels according to the application requirements. Henkel‘s LOCTITE® branded portfolio of resistive inks includes carbon (C), carbon positive-temperature-coefficient (PTC), and non-conductive blendable inks. Our LOCTITE® resistive inks are designed for printing electronic components, such as printed resistors, potentiometers, force-sensitive resistors (FSR), heating elements, and more.

Material Overview

CARBON INK CARBON PTC INK NON-CONDUCTIVE BLENDABLE INK
LOCTITE® EDAG 6017SS E&C LOCTITE® ECI 8001 E&C LOCTITE® EDAG PM 404 E&C
LOCTITE® ECI 7004HR E&C LOCTITE® ECI 8060HV E&C LOCTITE® NCI 7002 E&C
LOCTITE® ECI 7004LR E&C LOCTITE® ECI 8090 E&C LOCTITE® NCI 8002 E&C
LOCTITE® ECI 8120 E&C

Dielectric ink

Dielectric ink formulations are non-conductive inks used for electrical isolation and environmental protection of an application.
Henkel’s LOCTITE® branded dielectric inks are designed for printing dielectric layers, conformal coatings, and encapsulations.

Material Overview

DIELECTRIC INK
LOCTITE® EDAG PF 021 E&C LOCTITE® EDAG 451SS E&C
LOCTITE® EDAG 452SS E&C LOCTITE® EDAG PF 455B E&C
LOCTITE® EDAG PF 455BC E&C LOCTITE® EDAG 456 E&C
LOCTITE® EDAG PF 465 E&C LOCTITE® EDAG ML 25208 E&C
LOCTITE® EDAG ML 25240 E&C LOCTITE® EDAG ML 25265 E&C
LOCTITE® NCI 9001 E&C LOCTITE® NCI 9006 E&C

Application
Methods

Printed electronics can be created using various printing methods, including screen printing, rotary screen, flexographic, or rotogravure techniques. The choice of method depends on factors like production volume, application type, and material or substrate compatibility.

Conventional
Printing Methods

Conventional methods such as screen printing, flexography, and rotogravure offer scalability and precision for diverse applications. Screen printing excels in applying thick layers (5–25 μm) with high consistency, while flexography and rotogravure ensure faster production speeds and uniform thin coatings for large-scale manufacturing.

Flat-Bed Screen

Rotary Screen

Flexography

Rotogravure

3D Printing Methods

3D printing techniques, such as direct 3D and pad printing, enable precise coatings on 3D-shaped surfaces. Pad-printable functional inks allow direct application without the need for wires, etching, or electroplating. Direct 3D printing uses a printing head attached to a robotic arm, adjustable for various coating processes, including spray-coating, valve-jet dispensing, aerosol jet, and dispensing. These methods enhance flexibility and efficiency, making them ideal for complex manufacturing requirements.

Direct 3D printing

Pad printing

Printed Electronics Markets
and Applications

Discover the versatility of printed electronics across diverse markets. From healthcare innovations to energy storage and smart surfaces, the advanced LOCTITE® solutions enable precise, reliable, and efficient applications tailored to meet modern demands.

Smart Surfaces
Applications

Printed Heaters

Delivering thin, flexible, and rapid heating solutions for precise temperature control in smart surface applications.
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Membrane Switches

Reliable silver ink solutions for durable membrane switches in keyboards and control panels.
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Capacitive Sensors

High-precision sensing solutions for proximity and pressure detection using advanced LOCTITE® inks.
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Resistive Sensors

Specialized inks for sensors that respond to mechanical and physical stimuli, such as potentiometers and leak detectors.
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Force-sensitive
Resistors

Enabling accurate pressure sensing with force-sensitive materials for interactive and industrial applications.
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Healthcare
Applications

Printed Sensor for
Diagnostics and Hygiene

Biosensors designed for accurate detection of biological markers, enabling efficient diagnostics.
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Medical Wearables

Flexible, lightweight components for smart medical devices, enabling continuous health monitoring.
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Medical Heaters

Self-regulating, safe heating solutions for medical applications, powered by PTC technology.
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Antenna for
Medical Wearables

Printed antennas enhancing wireless connectivity in advanced medical wearable devices.
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Antenna
Applications

Pad-printable Antenna

Pad-printable 5G antennas with high conductivity, designed for curved surfaces in mobile devices.
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Printed RFID Antenna

High-performance RFID antennas for inventory tracking and identification in diverse industries.
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Energy Storage
Applications

Energy Storage

Carbon-based inks for batteries, supercapacitors, and printed energy storage solutions, delivering improved safety and performance.

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Further Topics

All Printed Electronics Products

Explore our complete portfolio of functional inks and coatings, designed for advanced printed electronics and optimized manufacturing.

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Application Guide

Discover the many possibilities of LOCTITE® inks and coatings for a wide range of applications in our comprehensive Application Guide.
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Printed Electronics Technology:
Driving Innovation Across Industries

Printed electronics technology is transforming the way electronic components are manufactured. By enabling the creation of thin, lightweight, and flexible circuitry, it offers a scalable and cost-effective alternative to traditional electronics production. These circuits can be integrated into innovative applications across industries, supporting advancements in automotive, medical, and consumer electronics. High-speed printing processes further enhance the efficiency of production, paving the way for new possibilities in electronics integration.

Core Advantages of
Printed Electronics Technology

Printed electronics technology provides numerous advantages that make it a compelling choice for modern industries:
High-Speed Production

Advanced printing methods allow for faster production compared to conventional techniques, reducing lead times and increasing scalability.

Material Efficiency

Minimal material waste during production aligns with global sustainability goals while reducing costs.

Versatility

Flexible circuits can be designed for a wide range of applications, including wearable electronics, smart packaging, and medical diagnostics.

Printed Electronics
Materials

Henkel’s LOCTITE® materials offer a comprehensive portfolio for the development of flexible printed electronics, including:

Conductive Inks

Delivering high-performance electrical conductivity for reliable circuits in demanding environments.

Resistive Inks

Ideal for creating precise heating elements and printed sensors.

Dielectric Coatings

Ensuring long-term electrical insulation and protection against external factors.

Advanced
Application Methods

Printed electronics technology supports a variety of application methods, each suited for different requirements:
Screen Printing Electronics
A proven technique for producing conductive and resistive layers at large scales.

Inkjet Printing Electronics

Perfect for non-contact, high-precision printing on delicate substrates.

Pad Printing Electronics

Ideal for irregular surfaces and 3D printed electronics applications.

Additive Manufacturing

Opening new possibilities for custom designs and advanced electronics integration.

Key Markets and
Applications

Printed electronics technology is revolutionizing industries with tailored solutions for specific needs:
Automotive Electronics
Flexible circuits and sensors improve the performance of smart vehicle systems.
Medical Devices
Printed sensors and diagnostic tools enhance the precision and hygiene of healthcare solutions.
Energy Storage
Lightweight, efficient components support renewable energy systems.

Consumer Electronics

Wearables, smart packaging, and home automation bring intelligent technologies into everyday life.

Sustainability in
Printed Electronics

Printed electronics contribute to a more sustainable future by enabling:

Reduced Material Waste

Precise application of conductive, resistive, and dielectric inks minimizes raw material usage and reduces production waste.

Energy Savings

Printing techniques like screen printing and inkjet printing often consume less energy than traditional manufacturing processes, depending on the scale and application.
Potential for Eco-Friendly Products
By using innovative materials and scalable methods, printed electronics support the development of environmentally conscious solutions, such as lightweight, recyclable components.

The Future of
Printed Electronics Technology

Printed electronics continues to shape the future of electronics manufacturing by enabling innovations in IoT, smart devices, and sustainable technologies. With its scalability and versatility, this technology is set to redefine how industries design and produce electronic components for a smarter, more connected world.