Hardness: With 99% alumina content, this tube provides outstanding abrasion resistance and mechanical strength for demanding environments. Heat Resistance: Capable of withstanding temperatures up to 1700°C, ideal for high-temperature furnaces and thermocouple insulation. Precision Dimensions: Inner diameter 1mm, outer diameter 2mm, with multiple lengths from 2mm to 20mm for accurate fit in laboratory and inrial setups. Electrical Insulation: Excellent dielectric properties make it suitable for high-voltage insulation and sensor protection. Longevity: Lightweight construction and high-temperature resistance ensure reliability and long service life in various applications., Manufacturer: CQAHDSEVF