Appearance: Free flowing powder
Particles in size range: <10% CV
Spherical Particles: >99%
Density: 2.3g/cc to 4.1g/cc
Conductive silica microspheres, which are typically silica particles coated with a conductive material such as metal, find applications in a range of fields where their electrical conductivity is advantageous. Here are some notable applications:
- Electronic Packaging: Conductive silica microspheres can be incorporated into adhesives, encapsulants, and underfill materials used in electronic packaging. They help improve thermal conductivity and electrical grounding, which is crucial for dissipating heat and preventing electromagnetic interference (EMI).
- EMI Shielding: In electronic and telecommunications devices, conductive silica microspheres can be used in coatings and films to provide EMI shielding. They act as a barrier to electromagnetic radiation, preventing interference with sensitive electronic components.
- Electrostatic Dissipation (ESD): Conductive silica microspheres are used in materials designed to dissipate static electricity. They can be incorporated into plastics, paints, and coatings to prevent static buildup and protect electronic components from electrostatic discharge.
- Printed Electronics: In the emerging field of printed electronics, conductive silica microspheres can be used as ink additives. They improve the printability and conductivity of conductive ink formulations used in flexible and wearable electronics, RFID tags, and more.
- Conductive Adhesives: Conductive silica microspheres can enhance the electrical conductivity of adhesives. They are used in applications where strong and electrically conductive bonds are needed, such as attaching electrical components to substrates.
- Sensors: These microspheres can be employed in sensor technologies, including strain sensors and touch sensors. They help improve sensitivity and the overall performance of the sensors.
- Antistatic Films and Packaging: Conductive silica microspheres can be added to films, bags, and packaging materials to create antistatic properties, which are essential for protecting sensitive electronic devices during transportation and storage.
- Conductive Coatings: They are used in conductive coatings for applications such as electromagnetic shielding, corrosion protection, and static dissipation in industrial equipment and infrastructure.
- Energy Storage: In the field of energy storage, conductive silica microspheres can be used in the electrodes of lithium-ion batteries and supercapacitors to enhance electrical conductivity and improve the overall performance of these energy storage devices.
- Biomedical Devices: In biomedical applications, conductive silica microspheres can be used in the development of electrodes for biosensors, neural interfaces, and medical diagnostic devices.
- Smart Textiles: They are used in smart textiles and wearable electronics to add conductivity to fabrics, enabling features like embedded sensors, heating elements, and connectivity.
Conductive silica microspheres are valued for their ability to combine the desirable properties of silica particles (sphericity, intertness, durability, high temperature tolerance) with the electrical conductivity of the coating material. These properties make conductive silica microspheres versatile materials for a wide range of applications in electronics, materials science, and beyond.