We are China Xuzhou Carbon Co, ltd. Now we introduce you with our high purity GRAPHITE BLOCK, it can be used as making EDM electrode, moulds for continuous casting, graphite crystallizer,etc. please see details on our website: Properties special grade first grade Apparent density (g/cm3)> 1.80 1.73 Electric resistivity (u?m)< 12 15 compress strength(Mpa)> 75 60 average pore size (um)< 2.4 3.2 CTE(10-6/K)(100-600K)< 4.4 4.8 Shore hardness > 50 48 Ash< (%) 0.1 0.1 Size as follows: dia 100*250 dia 130*250 dia 150*250 300*205*105 330*260*120 420*135*120 150*150*230 380*120*120 400*200*100 200*200*50 300*150*105 280*135*110 420*140*45 420*120*80 400*130*100 650*200*135 780*210*120 490*300*180 550*260*150 We can also supply special shape products. Please pass on this message to your purchase or technial department, We will supply our products with high quality & lower price, wish to cooperate with you !