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Calcined Petroleum Coke/Graphitized Petroleum Coke GPC with Sulphur 0.05 for Recarburizer Type Size (90%) C (min) S (max) Ash (max) V.M. (max) Moisture (max) GPC-1 1-5mm 98.0% 0.5% 1.0% 1.0% 0.5% GPC...