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Production - Raw material: high quality petroleum coke & coal tar pitch. - Vibration-molded or extruded, carbonized and graphitized under precise technical control. - Usually machined to specific shapes for various purposes. Applications - Molds:hot pressing molds, static casting molds, centrifugal casting molds,pressure casting molds, etc. - Furnace parts: resistance heating elements,induction susceptors, structural elements and charging plates,furnace linings, heat shields and covers for pulling monocrystalline silicon or optical fibers, etc. - Parts for heat exchangers. - Crucibles for melting and reduction. - Boats and trays for sintering, etc. Programmable properties - High thermal and chemical resistance. - Good thermal conductivity. - Low coefficient of thermal expansion. - Minimal wettability to molten metals. Typical sizes - Diameter (mm): 630 to 1420 - Thickness (mm): 400 to 600 Typical specificationsProperties Unit12Bulk Density (min) g/cc1.701.72Specific Resistance (max) μ Ω·m8.58.5Compressive Strength (min) MPa2831Bending Strength(min) MPa1314.5C.T.E. (100 600 degree)(max) ×10-6/degree2.52.5Maximum Grain Size mm2.00.8* Other specifications are available on request. ** The values mentioned in this table are only for reference and not committed to any contract.