... carbon powder 1. carbon content: 94-99% 2. size: 50, 80, 100,200, 150, 300, 500 ,800mesh, etc 3. Packing: 25kg or 1000kg ... user requirements adjustment, main screening efforts for 50, 80, 100, 120, 150, 200, 325 mesh, etcarbon powder purposes1. As non-metallic mineral resources ... on sieve(>=%)lg300-94941.24.80.580lg300-95951.23.80.580lg300-96961.22.80.580lg300-97971.002.80.580lg300-98980.31.000.580