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Home > Products > Industrial Ceramic Products > Computer Peripheral Products Ceramic Disk Spacer Application: Disk Spacer for Hard Disk Drive Material: Static Dissipative Forsterite, FC112M     FC112M Stainless Steel Bulk Density   3.7 7.8 Hardness (Hv) GPa 6.5 6.4 Coefficient of Thermal Expansion X10-6 /°C 9 10.2 Volume Resistivity Ω•cm 105-6 < 10-3 Particle Count   50,000 50,000 Flatness micron 0.46 0.71 Features: Superior Flatness Reduced deformation of the media disk after assembly Light Weight Reduced power consumption Low Coefficient of Thermal Expansion Best material match for glass Reliability No plastic deformation over time Static Dissipative ESD protection Al203-TiC Substrate | Ceramic Disk Spacer | Ceramic Fixtures

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