Natural flake graphite powder used in nonferrous,metal molten furnace for oxygen-proof material.
Natural flake graphite powder used in nonferrous,metal molten furnace for oxygen-proof material.
天然磷片石墨粉，用于有色金属熔炉液体表面防氧化覆盖粉。
Natural flake graphite powder used in nonferrous,metal molten furnace for oxygen-proof material.
天然磷片石墨粉，用于有色金属熔炉液体表面防氧化覆盖粉。