Ykkingnor Mineral Co., Ltd is based in China and lists amorphous graphite powder on Global Trade Plaza. The company offers the material in several fixed carbon grades ranging from 70% to 85% and in grain sizes of 200 mesh and 325 mesh. Volatile matter is stated as below 4% or below 3%, and sulfur content is given as less than 0.2%, 0.1% or 0.05% depending on the grade. One listing specifies fixed carbon at 78% and 80% with volatile matter under 2% and sulfur under 0.5%, also at 200 mesh. The product is described as a carbon additive for steel and iron casting to raise carbon content. Buyers can send an enquiry through Global Trade Plaza.