все виды графитовых блоков

graphite block Vibration-molded or extruded, carbonized and graphitized under precise technical control. High thermal and chemical resistance Applications 1.Molds: hot pressing molds, static casting molds, centrifugal casting molds,pressure castingmolds,fused refractory molds, etc. 2.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. 3.Anodes for the electrolysis of metals. 4.Cathodes in aluminum electrolysis cells. 5.Parts for heat exchangers. 6.Crucibles for melting and reduction. 7.Boats and trays for sintering. Programmable properties 1.High thermal and chemical resistance 2.Good thermal conductivity 3.Low coefficient of thermal expansion 4.Minimal wettability to molten metals Typical sizes Diameter (mm)630-1420length (mm)400-800330x150x2200, 350x175x2100, 400x400x1800, 500x200x1800, 500x200x2500, 500x500x1800, 550x250x1800, 550x250x2500, 600x200x1800, 650x400x1800, 850x400x1800mm * other dimensions are available on request. Typical specifications Specification Unit G1 G2 G3 G4 Bulk density (min) g/cc 1.58 1.60 1.71 1.72 Specific resistance (max) micro ohm.m 10.0 9.0 8.5 8.5 Compressive strength (min) MPa 20 20 28 30 Bending strength (min) MPa 8 8 13 14 C.T.E. (100 600 degree) (max) x10-6/degree 2.3 2.3 2.5 2.5 Maximum grain size mm 4.0 2.0 2.0 0.8 *Note: The values mentioned in this table are only for reference and not committed to any contract Contact:Doris Zhou Dalian Thrive Mining Co., Ltd. Tel: 86-411-84357743 Fax: 86-411-84342356