CeramTec RK 87 Alumina, 99.8% price 1639 per MT

Physical Properties
Density
3.96 g/cc
Water Absorption
0.00 %
Permeability
0.00
Weibull Modulus
15

Mechanical Properties
Vickers Microhardness
2000
Tensile Modulus
406 GPa
Flexural Strength
630 MPa
Compressive Strength
4000 MPa
Poissons Ratio
0.23
Fracture Toughness
4.30 MPa-m½
Shear Modulus
165 GPa

Thermal Properties
CTE, linear
7.50 µm/m-°C @Temperature 20.0 - 400 °C
CTE, linear
8.50 µm/m-°C @Temperature 20.0 - 1000 °C
Specific Heat Capacity
0.900 J/g-°C
Thermal Conductivity
30.0 W/m-K
Maximum Service Temperature, Air
1500 °C
Maximum Service Temperature, Inert
1500 °C

Component Elements Properties
Al2O3
99.8 %

Electrical Properties
Volume Resistivity
5.00e+8 ohm-cm @Temperature 400 °C
Volume Resistivity
5.00e+14 ohm-cm @Temperature 20.0 °C
Dielectric Constant
9.0 @Frequency 1.00e+6 Hz
Dielectric Strength
19.0 kV/mm
Dielectric Loss Index
0.0050 @Frequency 9.00e+9 Hz

Descriptive Properties
Ra = Arithmetic Mean Roughness Value (µm)
<0.05
Thermal Shock Resistance R1 (K)
159

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Andrey Kutuzov

University of Córdoba (Spain), email: [email protected]

Work with plastics from August, 2015

2 prices for CeramTec RK 87 Alumina, 99.8%

Seller from Philadelphia – 2021-04-03:

Seller from Philadelphia work with company: RTP Company, Teknor Apex Company, SABIC Innovative Plastics (GE Plastics), ALIMEX GmbH

Price: $1639 per MT

Seller from Wuhan – 2021-03-08:

Seller from Wuhan work with company: Solvay, RTP Company, SABIC Innovative Plastics (GE Plastics), ALIMEX GmbH

Price: $2279 per MT