Carbon sefydlog: >99%Lludw: <0.5%Mater Anweddol: <0.5%Sylffwr: ≤0.5%Lleithder: ≤0.5%CTE: ≤1.7Gwir Ddisgyrchiant Penodol: ≥2.12Pacio: bagiau jumbo neu fagiau 25kgs i mewn i fag mawr jumbo 1MT Byddwn yn dyfynnu'r pris gorau unwaith ar ôl derbyn eich manylebau a'ch maint gofynnol.Wechat&WhatsApp: +18230209091 Email: iris@qfcarbon.comGwefan: https://www.qfcarbon.com #steelmaking #graffit #graffitization #petroleum #coke#carbon #raiser #carburant #black #llwyd #foundry #cast#iron#steel #supplier #china #manufacturer #petroleum #steel#manufacturing