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Grades

Suitable grades for your applications.

we machine and sell only graphite grades of well known and realiable producers. Our range of graphites exist of extrudes, molded and isostatic pressed graphite grades.

Depending on the requirements of the application we can choose out of a wide range of grades to adjust the most applicable material.

Univeral grades, isostatic pressed

Feature Unit CP-3
Grain size µm 10,0
Bulk density g/cm³ 1,80
Porosity % 11,0
Hardness shore 60,0
Flexual strength MPa 54,0
Compr. strength MPa 98,0
Coeff. of thermal expansion (CTE) K x 10-6 / °C 4,8
Electr. resistivity µΩcm 1.250
Thermal conductivity W/m°C 128,0
Standard size mm 1020 x 630 x 350
Max. size mm 1500 x 1200 x 250

Universal grades, molded

Feature Unit CP-100 CP-200 CP-250
Grain size mm ca. 1 0,9 0,8
Bulk density g/cm³ 1,67 1,72-1,74 1,72-1,75
Porosity % ca. 16,0 15,0 15,0
Hardness shore 40,0 50,0 25
Flexual strength MPa 12,0 14-20 15,5-19,5
Compressive strength MPa 28,0 32,0-40,0 30,0-33,0
Elec. resistivity µΩcm 8,5 7,5 - 9 8,0-8,5
Thermal conductivity W/m°C 160,0 110 119,5
CTE K x 10-6/°C 2,8 2,6-3,0 1,8
Ash content % max. 1% 0,09% <0,07%

Universal grades, die-molded

Eigenschaft Einheit GP-1
Mittlere Korngröße µm 46
Dichte g/cm³ 1,82
Offene Porosität % n/a
Härte shore n/a
Biegefestigkeit MPa 30
Druckfestigkeit MPa 65
Lin. Ausdehnungskoeff. zwischen300 und 900 K K x 10-6 / °C 4,6
Spez. elektr. Widerstand µΩcm 12,0
Wärmeleitfähigkeit W/m°C n/a
Standard Abmessung mm 560 x 410 x 210