95%-99% Alumina Ceramic Insulators and Insulating Beads

Alumina ceramic insulation beads are highly specialized and application-specific components, serving as critical insulating and supporting elements in electrical systems, leveraging their electrical insulation, high-temperature resistance, and mechanical strength.

Alumina ceramic insulation beads are an essential component in modern industry, particularly in high-temperature and high-voltage electrical applications. They may look insignificant, but these tiny beads work behind the scenes to ensure the safe, stable, and reliable operation of numerous electrical equipment, heating systems, and precision manufacturing processes.

As an insulating material, alumina ceramic beads offer the following irreplaceable advantages:

1. Excellent electrical insulation properties. They possess extremely high resistivity and dielectric strength at both room and elevated temperatures, effectively blocking current and preventing leakage and short circuits. They can also withstand high voltages without breakdown, ensuring safety in high-voltage environments.
2. Excellent thermal stability, low thermal expansion coefficient, and high thermal conductivity enable long-term operation at temperatures exceeding 1400°C-1500°C.
3. High compressive and flexural strength enable it to withstand mechanical stress, vibration, and impact without breaking, providing stable mechanical support.

4. Corrosion-resistant, resistant to most chemicals, maintaining stable performance in harsh environments.

Main Applications

Due to their comprehensive properties, alumina ceramic insulating beads are indispensable in the following areas:
1. High-temperature furnaces and heating equipment. They serve as supports and insulating beads for heating elements.
2. Electronic components and semiconductor industries. They are used as insulating supports and threading beads for wires, electrodes, or sensors in equipment such as chip manufacturing and thin film deposition.
3. Power transmission and electrical equipment. They serve as insulating spacers or protective sleeves in high-voltage power lines, transformers, switches, and other equipment.
4. Thermocouples and sensors. They serve as insulating protective tubes or internal insulating beads for thermocouple measuring ends.

Alumina ceramic insulating beads are not limited to simple spherical shapes. They come in a variety of forms to meet different installation and functional requirements:

• Single-hole beads: Features a single central hole for passing a wire or metal rod.
• Multi-hole beads: Features multiple parallel central holes for insulating multiple wires.
• Threaded beads: Features threads on the inner and outer surfaces for easy tightening and adjustment.
• Special-shaped beads/structural components: Customized standoffs, sleeves, plates, and more, tailored to specific equipment.