Alumina Purities ranging from 60% up to 99.8%

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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

bullet  60% Al2O3 – Refractoriness up to 1400°C.
bullet  99.7% to 99.8% Al2O3 – Refractoriness up to 1700°C.
bullet  Hard, wear-resistant
bullet  Excellent dielectric properties from DC
to GHz frequencies
bullet  Resists strong acid and alkali attack at elevated
temperatures
bullet  Good thermal conductivity
bullet  Excellent size and shape capability
bullet  High strength and stiffness

Applications

bullet  Furnace applications
bullet  Thermocouples and sensors
bullet  Wear applications, pads, tubes & linings
bullet  Pump parts
bullet  High voltage electrical substrates & insulation
bullet  Thread guides
bullet  Ballistic armour
bullet  Feedthroughs
bullet  Papermaking guides & foils etc.
bullet  Seal rings & valves (sliding contact)
bullet  Laser cavities
bullet  Grinding media
bullet  Thermal instrument parts