99-99.7% Alumina Oxide Ceramic Insulating Sleeve for Furnace Heater

99-99.7% Alumina Oxide Ceramic Insulating Sleeve for Furnace Heater. High Temperature Resistance: Excellent thermal shock resistance and stable electrical performance at high temperatures. Customizable Size: Full customization available for size and design according to client requirements. Corrosion Resistance: Outstanding chemical corrosion-resistant performance for industrial applications. Fast Delivery: Samples available within 3 days from inventory; customized items within 15 days. High Purity Options: Available in 96% and 99.6% Al2O3 purity levels for specific needs. OEM/ODM Service: Full customization from designs with professional R&D and manufacturing support. Quality Assurance: Strict QC testing with 100% inspection and compensation for broken goods. Global Shipping: Safe delivery via DHL, FedEx, TNT, UPS, or air/sea freight to 100+ countries.