Hardness: Inrial-grade hardness provides outstanding abrasion resistance and mechanical strength for demanding environments. Heat Resistance: Made from 95% alumina ceramic, this tube withstands high temperatures up to 1700°C, perfect for high-temperature furnaces, heaters, and thermocouple insulation. Precision: High dimensional accuracy with a smooth surface ensures stable integration in lab and inrial setups. Insulation: Excellent dielectric properties make it ideal for high-voltage insulation, power devices, and sensor protection. Durability: Lightweight and high-temperature resistant, ensuring longevity and reliability in various settings., Manufacturer: UMEXIDRA