Hp 300 Ball Mill Instruction Manual-ball Mill. Hp 300 Ball Mill Instruction Manual. Processing capacity:210-368t/h Feeding size:≤22mm Appliable Materials: quartz,refractory material,iron ore,copper mine,construction rubbish,ceramics etc.All grindable materials, various metal ores, non-metallic ores, non-flammable and explosive materials. More