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16501
Spectroscopically pure carbon Grade 1 (graphite) planchets with total impurities equal to or less than 2ppm with each single element 1ppm or less. Trace elements can be Si, Al, Fe, Mg, Ca or B. The carbon discs have a fine ground finish on one side; 0.80µm (32µ inches). All carbon planchets are 1.6mm (1/16") thick. Sizes from 10 to 32mm diameter to fit all styles of SEM pin and cylinder mounts varying from 10 to 32mm diameter.
| Properties of Grade 1 Carbon | |
|---|---|
| Density | 1.58 - 1.63 g/cm³ |
| Hardness | 30 - 35 Shore |
| Electrical Resistivity | 58 - 71 멵m |
| Flexural Strength | 24 - 31 MPa |
| Tensile Strength | 22 MPa |
| Compressive Strength | 48 MPa |
| Thermal Expansion | 1.9 x 10-6/°C |
| Porosity | 28 - 30% |
| Purity | Impurities < 2ppm |
16501-Carbon Planchets, 9.5mm, for JEOL 9.5mm mounts
16504 - Carbon Planchets, 10mm, for JEOL 10mm mounts
16502-Carbon Planchets, 12.2mm, for JEOL 12.2mm mounts
16503-Carbon Planchets, 12.5mm, for JEOL 12.5mm mounts
16500 - Carbon Planchets, 12.7mm, for pin stubs
16505 - Carbon Planchets, 15mm, for Hitachi and ISI/ABT/Topcon mounts
16508 - Carbon Planchets, 18mm, for 18mm pin stubs
16510 - Carbon Planchets, 25.4mm, for large pin stubs, JEOL metallographic mounts and Hitachi 25mm mounts
16512 - Carbon Planchets, 32mm, for large pin stubs, Hitachi and JEOL mounts