carbon additives
Joint Moral Ltd. [China] 
Carbon additives (Calcined Anthracite, made of super quality anthracite coal)
SPECS：
FC: 90% 92% 93% 95% min (various degree)
Sulfur: 0.3% max
Size: 1-5mm, 1-8mm, 10-30mm, 90% min or as requested
Packing: in about 1Mt bag or 25kg PP bags into about 1Mt bag or as requested
