Al2O3 ceramic tube composition:

Aluminium Oxide 99, 7% / Silica: 0, 05% / Magnesia 0, 03 % Sodium Oxide 0, 15% / Iron oxide 0, 02% /Calcium Oxide 0, 03% / Titanium Oxide < 0, 01 / Boron Oxide < 0, 02%

Features of alumina ceramic tubes. 
1. High quality: Max working temperature 1800C, high abrasive resistance. 
2. Various sizes for your choose, diameter from 1-160mm, length from 10-2000mm 
3. Various processing methods make right tubes for different usage, including extruding, casting, pressing 
4. Tubes can be grinding, drilling holes etc according to the requirements of customers. 
5. Large quantity in stock can provide fast delivery and very competitive prices.

Basic Properties 
•Very hard 
•Abrasion resistant 
 •Can be milled with great precision 
 •Can be polished 
 •Stable at high temperatures 
  •No open porosity 
  •Excellent electrical properties 
   •Chemically inert

Applications

•Mechanical components 
•Pistons, pump stages 
•Mechanical seals 
•Sealing bushes 
•Faucet keys and seats 
•Electrical insulator 
•Pyrometry 
•Laboratory items, crucibles 
•Vacuum items 
•Welding nozzles