
Alumina Ceramic Insulator C221 Steatite Ceramic Insulation Beads for Heating Elements. High Insulation Performance: Superior dielectric strength and volume resistivity for isolating conductors in high-voltage environments. Customizable Dimensions: Hole size, outer diameter, and height are fully customizable to meet specific design requirements. Multiple Color Options: Available in White, Ivory, Pink, Blue, Black, and other custom colors. OEM/ODM Services: Full customization of sizes and shapes with professional technical support and R&D capabilities. Corrosion and Wear Resistance: Durable steatite and alumina materials designed for harsh industrial working environments. Strict Quality Control: Comprehensive IQC, IPQC, and QA processes ensure stable and reliable component quality. Flexible Order Quantities: Accepts orders from single samples to bulk production with factory direct pricing.