These high-purity alumina ceramic thin tubes (Al₂O₃ ≥ 99%) are precision-manufactured using advanced isostatic pressing technology. Featuring small outer diameter, thin and uniform walls, smooth inner bore, with optional glazed or natural surface finish.

Key Advantages:

• Extreme Heat Resistance: Withstands temperatures over 1700°C, ideal for high-temperature environments.
• Superior Corrosion Resistance: Resistant to strong acids and alkalis, offering exceptional chemical stability.
• High Hardness & Wear Resistance: Mohs hardness of 9 (second only to diamond), ensuring ultra-long service life.
• Excellent Electrical Insulation: Outstanding insulating properties, widely used in electronics and sensor applications.
• Precision Dimensions: Customizable outer/inner diameters with tight tolerances, perfect for precision instruments, medical devices, and laboratory equipment.

Widely applied as high-temperature protection tubes, insulation tubes, thermocouple protection tubes, gas delivery tubes, and laboratory apparatus. Safe, non-toxic, reusable, eco-friendly, and highly durable!

A perfect upgrade over ordinary glass tubes—delivering greater stability and peace of mind.