Alumina Hexagonal Tiles

The sizes of the tile may be either 150mm x 150mm x 6mm (thickness) or 150mm x 150mm x 12mm (thickness). The alumina content is of 92% alumina. For more details, see below.

Alumina High Density Technical Data Sheet

Property Units 99.7%
Alumina
95%
Alumina
92%
Alumina
ZTA
Description Zirconia
Toughened
Alumina
Nominal Composition α Alumina
(99.7%)
α Alumina
(95%)
α Alumina
(92%)
80% AI2O3 +
ZrO2
Microstructure
Density g/cm3 3.90 3.65 3.60 4.4
Water Absorption % 0 0 0 0
Porosity Vol% 0 0 0 0
Colour Cream White White Cream/White
Mechanical Properties
Compressive Strength MPa 2600 1960 2500 2900
Flexural (Bending) Strength (@20°C) MPa 550 408 340 650
Young’s Modulus E GPa 380 300 280 320
Fracture Toughness MPa.m1/2 4 3 3.5 5.8
Vickers Hardness kg/mm2 1600 1300 1180 1480
Thermal Properties
Max Working Temperature °C 1800 1600 1000 1500
Thermal Conductivity (@20°C) W/mK 38 18 16 16
Thermal Expansion Coefficient x10-6/K 8.4 7.2 8 9.0
Thermal Shock Resistance Δ( Tc) °C 200 250 250 300
Electrical Properties
Specific Resistance (@20 °C) Ω cm >1014 >1014 >1014

15 Kaki Bukit Road 3, East Point Terrace
Singapore 415886

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