Synthetic Graphite powders are by products after the process of machining electrodes, mainly used for carbon raisers. Specifications:C 98% MINS 0.05% MAXAsh 1.0% MAXMoisture 1.0% MAX Size: 0-10mm, 0.5-5 mm, 0.5-10 mm,1-5 mm, 5-10 mm,1-10 mm etc Product is totally from machining electrodes in our own factory, without any other material. Synthetic Graphite Powder size 1-4mm