... ,aerospace industry,war industry chemical industry,smelt, High density Graphite Block is used in precision tools,aerospace industry,war industry chemical ... ≥28Electric resistivityµΩ·m≤8≤8≤9Max grainmm0.82.02.0CTE(100-600)10-6 /oC ≤2.5≤2.5≤2.3Block ... ,850x300x1800,850x400x1850 Rods Sizes(mm)Φ400-Φ1200 x 300-500, Φ100-Φ550 x 1800 Graphite Block