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Solid Rod made of Glass Ceramic

Product specification Highest temperature ceramic Absolute chemical resistance No uptake of... more

Product specification

Highest temperature ceramic

Absolute chemical resistance

No uptake of humidity

Non-porous

Not deformable

Great hardness

Outstanding insulating material at high voltages, a high frequency range at high temperatures

Achievable manufacturing tolerances up to 0.013 mm

Achievable surface roughness >0.5 µm to 0.013 µm (polished)

Processing can be done with usual metal processing tools for metal (metal cutting), thus purchase of expensive diamond tools is not necessary

Technical specification

Material: glass ceramic

Colour: white

Temperature range: -200 to +800 °C, for a short time +1,000 °C

Special features: highest temperature loadability, great hardness, achievable manufacturing tolerances up to 0.013 mm

Expansion coefficient:

at -200 to +25 °C: 74 x 10-7 / °C

at +25 to +800 °C: 126 x 10-7 / °C

Specific heat (+25 °C): 0.79 kJ/kg x K

Heat conduction (+25 °C): 1.46 W/m * °C

Heat diffusion (+25 °C): 7.3 x 10-7 m2/s

Density: 2.52 g/cm3

Porosity: 0 %

Tensile modulus: 66.9 GPa (Youngs modulus)

Shear modulus: 25.5 GPa

Rockwell hardness: M 48

Tensile strength: 94 MPa (modulus of rupture)

Pressure resistance: 345 MPa

Breaking strength: 1.53 MPa M 0.5

Dielectric constant: 6.03 at 1 kHz; 5.67 at 8.5 GHz

Dielectric strength (GS/WS): 40 kV/mm at 0.01 thickness, +25 °C

GS-Volume resistivity: >1016 Ohm/cm

No additional information available.
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