... 1. Product •Attribute Being made from selected Ningxia anthractice.F.C is between 90%-95%.Reduce the cost of steelmaking effectively ... rust,producing carbon materials.Specifications of 90%-95%:1. F·C:95%, V.M:1.0%(MAX),A:4.0 ... ),MOI:1.0%(MAX),S:0.20%(MAX)2. F·C:93%, V.M:1.5%(MAX),A:5.5 ... ),MOI:1.0%(MAX),S:0.30%(MAX)3. F·C:92%, V.M:1.5%(MAX),A:6.5 ... ),MOI:1.0%(MAX),S:0.30%(MAX)4. F·C:90%, V.M:2.0%(MAX),A:8.0 ...