Alumina Purities ranging from 60% up to 99.8%
Aluminum Oxide, Al2O3
High Purity Alumina is the most cost effective and widely used material in the family of engineering ceramics. The raw materials from which this high performance pure grade ceramic is made are readily available and reasonably priced, resulting in good value for the cost in fabricated alumina Tubes, Rods, Insulators and machined shapes. With an excellent combination of properties handling thermal shock and mechanical shock, it is no surprise that fine grain technical grade alumina has a very wide range of applications.
Holding large stocks at all times we strive to give a excellent service and as well as our normal range of ceramics we are a stocking distributor for Haldenwanger Technical Ceramics with products such as Alsint, Pythagoras , Sillimantin

Key Properties
60% Al2O3 – Refractoriness up to 1400°C.
99.7% to 99.8% Al2O3 – Refractoriness up to 1700°C.
Hard, wear-resistant
Excellent dielectric properties from DC
to GHz frequencies
Resists strong acid and alkali attack at elevated
temperatures
Good thermal conductivity
Excellent size and shape capability
High strength and stiffness
Applications
Furnace applications
Thermocouples and sensors
Wear applications, pads, tubes & linings
Pump parts
High voltage electrical substrates & insulation
Thread guides
Ballistic armour
Feedthroughs
Papermaking guides & foils etc.
Seal rings & valves (sliding contact)
Laser cavities
Grinding media
Thermal instrument parts