ACI-998 Alumina
WEIGHT 99.8% ALUMINUM OXIDE (ACI-998)
ACI-998 ALUMINA
ACI-998 ALUMINA is the most popular technical alumina ceramic for ACI’s customers in various industries. Highly due to its high electrical insulation property, sound mechanical performance and excellent corrosion resistance, ACI-998 Al₂O₃ has been applied in many industries that include semiconductor, automotive, oil and gas energy, medical and health, military defense and armor industries.
With over 20 years of experience in the fine ceramic & alumina ceramic manufacturing business, ACI produces this state-of-art technical machinable ceramic alumina from ultra-pure raw powder for ultra-precision parts.
Looking for 99.5% weight aluminum oxide (ACI-995)?
APPLICATIONS
- Semiconductor
- Automotive
- Oil & Gas Energy
- Medical & Health
- Military Defense & Armor
MAIN PROPERTIES
- Molecular Formula: Al₂O₃
- High Electrical Insulation
- Sound Mechanical Performance
- Excellent Corrosion Resistance
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ACI-998 Alumina
Properties Units ACI-998 Alumina (weight 99.8% Aluminum Oxide) 99.5% Aluminum Oxide MECHANICAL Density gram/cm3 3.9 3.8-3.9 Color – ivory ivory/white Water Absorption % 0 0 Flexural Strength MPa@room temp.(R.T.) 400 310-379 Compressive Strength MPa@R.T. 3180 2070-2620 Hardness GPa 14.0-15.0 13.8-17.6 THERMAL Coefficient of Linear
Thermal Expansion1E-6/°C
(»25°C to Ј1000°C)8.0 9.0-9.4 Thermal Conductivity W/m°K@R.T. 29.5 25.1-35.6 Specific Heat cal/g°C@R.T. 0.21 0.19-0.21 Thermal Shock Resistance D T(°C) 250 200 Maximum Use Temperature °C 1800 1600-1750 ELECTRICAL Volume Resistivity Ohm. cm@R.T. >1014 >1014 Dielectric Constant 1MHz@R.T. 9.8 9.6-10.2
