Materials
BROWSE MATERIALS
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ACI-995 Alumina is widely used in industrial and engineering applications because of its high-performance and purity. Alumina oxide is chosen for its strength, stiffness, and resistance to corrosion, as well as its electrical insulation and high thermal conductivity. Common shapes are disks, rings rectangles and custom designs requiring high specifications and tolerance.
ACI-995 Alumina
Properties Units AC998 Aluminum Oxide 99.5% Aluminum Oxide MECHANICAL Density g/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 Expansion 1E-6/°C (>>25°C to 1000°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 -
ACI-998 Alumina is widely used in industries like semiconductor, automotive, oil and gas energy, medical and health, military defense, and armor industries. It is used for its high electrical insulation property, sound mechanical performance, and excellent corrosion resistance.
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 Expansion 1E-6/°C (>>25°C to 1000°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 -
Aluminum 6061
Properties Units Aluminum 6061 MECHANICAL Density g/cm3 2.70 Color - light gray Water Absorption % 0 Flexural Strength MPa@room temp.(R.T.) - Compressive Strength MPa@R.T. - Hardness GPa >>11 THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) 21-23 Thermal Conductivity W/m°K@R.T. 153-180 Specific Heat cal/g°C@R.T. - Thermal Shock Resistance D T(°C) - Maximum Use Temperature °C 540 ELECTRICAL Volume Resistivity Ohm. cm@R.T. 2.6x10-6 Dielectric Constant 1MHz@R.T. - -
Aluminum Nitride (ACI-AlN) is is used for a variety of electronic applications that demand both high thermal conductivity and electrical insulation. Aluminum Nitride also has a low toxicity, and can remove heat being used in heat sinks and spreaders, and AlN can be used as a trusted substance in semiconductor products. Common shapes are blocks, sheets, rings, and bars.
Aluminum Nitride
Properties Units Aluminum Nitride MECHANICAL Density g/cm3 3.19-3.25 Color - gray Water Absorption % 0 Flexural Strength MPa@room temp.(R.T.) 428 Compressive Strength MPa@R.T. - Hardness GPa 10.4-11.7 THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) 4.6-5.7 Thermal Conductivity W/m°K@R.T. 100-115 Specific Heat cal/g°C@R.T. - Thermal Shock Resistance D T(°C) 400 Maximum Use Temperature °C 1600 ELECTRICAL Volume Resistivity Ohm. cm@R.T. >1014 Dielectric Constant 1MHz@R.T. 8.0-9.0 -
Celazole
Properties Units Celazole MECHANICAL Density g/cm3 1.30 Color - black Water Absorption % 0.0-0.4 Flexural Strength MPa@room temp.(R.T.) 221
Compressive Strength MPa@R.T. 400 Hardness GPa - THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) (>>25°C to 1000°C) 13 (through 150°C) Thermal Conductivity W/m°K@R.T.
0.4 Specific Heat cal/g°C@R.T. - Thermal Shock Resistance D T(°C) - Maximum Use Temperature °C 345-540 ELECTRICAL Volume Resistivity Ohm. cm@R.T. >1013 Dielectric Constant 1MHz@R.T. - -
Pyrolytic Graphite is a form of graphite with a high level of diamagnetism (ability to repel or be repelled in a magnetic field). Graphite is made from crystalline carbon, is used because of its very high thermal resistance and conductivity, and can be machined into blocks, rings, and majority of different shapes.
Graphite
Properties Units Graphite MECHANICAL Density g/cm3 1.57-1.88 Color - black Water Absorption % 0.5-3.0 Flexural Strength MPa@room temp.(R.T.) 50 Compressive Strength MPa@R.T. 96 Hardness GPa 8.5 THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) 8.39 Thermal Conductivity W/m°K@R.T. 95.6 Specific Heat cal/g°C@R.T. 0.16-0.38 Thermal Shock Resistance D T(°C) 200-250 Maximum Use Temperature °C - ELECTRICAL Volume Resistivity Ohm. cm@R.T. 0.45-1.00x10-3 Dielectric Constant 1MHz@R.T. - -
Macor
Properties Units Macor MECHANICAL Density g/cm3 2.52-2.63 Color - white Water Absorption % 0 Flexural Strength MPa@room temp.(R.T.) 89
Compressive Strength MPa@R.T. 345 Hardness GPa 2.5 THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) 6.3-9.7 Thermal Conductivity W/m°K@R.T.
1.8 Specific Heat cal/g°C@R.T. - Thermal Shock Resistance D T(°C) - Maximum Use Temperature °C 950-1000 ELECTRICAL Volume Resistivity Ohm. cm@R.T. >1014 Dielectric Constant 1MHz @R.T. 6.0 -
Pyrex
Properties Units Pyrex MECHANICAL Density g/cm3 2.23 Color - white/transparent Water Absorption % 0 Flexural Strength MPa@room temp.(R.T.) - Compressive Strength MPa@R.T. - Hardness GPa 4.1 THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) 3.25 (through 300°C) Thermal Conductivity W/m°K@R.T. 1.1 Specific Heat cal/g°C@R.T. 0.18 Thermal Shock Resistance D T(°C) 100 Maximum Use Temperature °C 230-490 ELECTRICAL Volume Resistivity Ohm. cm@R.T. - Dielectric Constant 1MHz@R.T. 4.6 -
Quartz
Properties Units Quartz MECHANICAL Density g/cm3 2.2 Color - white/transparent Water Absorption % 0 Flexural Strength MPa@room temp.(R.T.) 80 Compressive Strength MPa@R.T. 650-1100 Hardness GPa 11.5-13.5 THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) 0.55 Thermal Conductivity W/m°K@R.T. 1.4 Specific Heat cal/g°C@R.T. 0.16 Thermal Shock Resistance D T(°C) - Maximum Use Temperature °C 1200 ELECTRICAL Volume Resistivity Ohm. cm@R.T. 7x107 Dielectric Constant 1MHz@R.T. 3.75 -
Sapphire is a synthetic form of aluminum oxide in a crystal structure, and its extreme hardness, which is transparent allowing light to pass through in a wide range of waveforms – makes it ideal as a window or display requiring shatter-proof capabilities. Sapphire is also very durable and wear resistant making it great for surgical and industrial cleaning equipment.
Sapphire
Properties Units Sapphire MECHANICAL Density g/cm3 3.97 Color - White / transparent Water Absorption % 0 Flexural Strength MPa@room temp.(R.T.) 760-1035 Compressive Strength MPa@R.T. 2000 Hardness GPa 18.5-21.5 THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) 7.9-8.8 Thermal Conductivity W/m°K@R.T. 40 Specific Heat cal/g°C@R.T. 0.18 Thermal Shock Resistance D T(°C) - Maximum Use Temperature °C 2000 ELECTRICAL Volume Resistivity Ohm. cm@R.T. 10 16 Dielectric Constant 1MHz@R.T. 9.3-11.5 -
Silicon comes in monocrystalline and polycrystalline forms, and is used as a primary base for silicone microchips and semiconductors in most electronics. The material is stable, reliable, high-performing, and affordable which is why its used in many electronics and solar cell industries.
Silicon
Properties Units Silicon MECHANICAL Density g/cm3 2.33 Color - gray Water Absorption % 0 Flexural Strength MPa@room temp.(R.T.) - Compressive Strength MPa@R.T. - Hardness GPa 11.3 THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) 2.3-2.6 Thermal Conductivity W/m°K@R.T. 125 Specific Heat cal/g°C@R.T. 0.18 Thermal Shock Resistance D T(°C) - Maximum Use Temperature °C 1350 ELECTRICAL Volume Resistivity Ohm. cm@R.T. 0.005->20 Dielectric Constant 1MHz@R.T. 11.7 -
Silicon Carbide
Properties Units Silicon Carbide MECHANICAL Density g/cm3 3.08-3.20 Color - black Water Absorption % 0 Flexural Strength MPa@room temp.(R.T.) 462 Compressive Strength MPa@R.T. 1725-2500 Hardness GPa 23.5-24.5 THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) 4.0-4.5 Thermal Conductivity W/m°K@R.T. 75-155 Specific Heat cal/g°C@R.T. 0.15 Thermal Shock Resistance D T(°C) 350-500 Maximum Use Temperature °C 1400 ELECTRICAL Volume Resistivity Ohm. cm@R.T. 108 Dielectric Constant 1MHz@R.T. - -
Silicon Nitride
Properties Units Silicon Nitride MECHANICAL Density g/cm3 3.18-3.30 Color - gray Water Absorption % 0 Flexural Strength MPa@room temp.(R.T.) 338-590 Compressive Strength MPa@R.T. - Hardness GPa 13.2-14.7 THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) 2.5-3.5 Thermal Conductivity W/m°K@R.T. 15-30 Specific Heat cal/g°C@R.T. 0.17 Thermal Shock Resistance D T(°C) 500-670 Maximum Use Temperature °C 1200-1400 ELECTRICAL Volume Resistivity Ohm. cm@R.T. 1012 Dielectric Constant 1MHz@R.T. - -
Stainless Steel 316
Properties Units Stainless Steel 316 MECHANICAL Density g/cm3 8.08 Color - silver gray Water Absorption % 0 Flexural Strength MPa@room temp.(R.T.) - Compressive Strength MPa@R.T. - Hardness GPa >>19 THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) 17.5 Thermal Conductivity W/m°K@R.T. 16.2 Specific Heat cal/g°C@R.T. 0.12 Thermal Shock Resistance D T(°C) - Maximum Use Temperature °C 900 ELECTRICAL Volume Resistivity Ohm. cm@R.T. 7.4x10-6 Dielectric Constant 1MHz@R.T. - -
Vespel
Properties Units Vespel MECHANICAL Density g/cm3 - Color - brown Water Absorption % - Flexural Strength MPa@room temp.(R.T.) - Compressive Strength MPa@R.T. - Hardness GPa - THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) 30 Thermal Conductivity W/m°K@R.T. - Specific Heat cal/g°C@R.T. - Thermal Shock Resistance D T(°C) - Maximum Use Temperature °C 288-482 ELECTRICAL Volume Resistivity Ohm. cm@R.T. >1014 Dielectric Contact 1MHz@R.T. 3.55 -
Zirconia
Properties Units Zirconia MECHANICAL Density g/cm3 5.79-6.05 Color - ivory Water Absorption % 0 Flexural Strength MPa@room temp.(R.T.) 900-980 Compressive Strength MPa@R.T. - Hardness GPa 11.0-12.7 THERMAL Coefficient of Linear Thermal Expansion 1E-6/°C (>>25°C to 1000°C) 9.2-10.3 Thermal Conductivity W/m°K@R.T. 2.2-3.8 Specific Heat cal/g°C@R.T. 0.12 Thermal Shock Resistance D T(°C) 280-360 Maximum Use Temperature °C 2400 ELECTRICAL Volume Resistivity Ohm. cm@R.T. - Dielectric Constant 1MHz@R.T. -
