Technical articles and buyer guides on recarburizers, COA parameters, particle size, and product selection—written for procurement and melt teams.
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Technical guide to calcined anthracite (CAC) and silicon carbide (SiC) in aluminum smelting — cathode/paste roles, thermal and chemical stability, sizing, QA, and procurement.
Read articleHow semi-coke performs as a SAF reductant for FeSi, SiMn, and silicon metal production — specifications, sizing, cost comparison with metallurgical coke, and procurement tips.
Read articleA practical comparison of graphitized petroleum coke (GPC), calcined petroleum coke (CPC), and calcined anthracite (CAC) for carbon addition—typical FC bands, sulfur considerations, cost positioning, and common applications.
Read articleHow particle size influences carbon absorption and furnace behavior, why fines matter for dust losses and ladle practice, and how to choose a size band by furnace type and feeding method.
Read articleWhat fixed carbon, ash, volatile matter, sulfur, nitrogen, and moisture mean on a Certificate of Analysis—and what buyers should verify before accepting a shipment of recarburizer.
Read articleWhy many ductile iron producers evaluate graphitized petroleum coke for carbon addition, how sulfur is managed alongside magnesium treatment, and what “CE control” means in practical terms.
Read articleHow sulfur can influence graphite shape and magnesium efficiency in iron, why nitrogen draws attention in porosity-sensitive castings, and what buyers should request on documentation for GPC parcels.
Read articleWhat “good” calcined anthracite (CAC) looks like on paper, why anthracite source matters, how grade systems are discussed commercially, and how to compare offers without overfitting a single number.
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