Certum carbonis: >99%Cinis: <0.5%Materia volatilis: <0.5%Sulphur: ≤0.5%Humorem: ≤0.5%CTE:≤1.7Gravitas vera Imprimis: ≥2.12Sarcina: jumbo crumena vel 25kgs saccos in 1MT jumbo magnus sacculi Pretium optimum semel reddemus acceptis tuis specificationibus et quantitatibus requisitis.Wechat & whatsapp: + 18230209091 Email: iris@qfcarbon.comWebsite: https://www.qfcarbon.com #steelmaking #graphite #graphitization #petroleum #coke# carbonis #raiser #carburant #black #gray #foundry #cast #ferrum ferrum #supplier #china #manufacturer #petroleum #steel #manufacturing