... -density columnar briquette or blocks (weight: 2-8kg)2,Raw materials :metal scrap filings(as iron, copper and aluminum ,etc.), metal powders (as ... iron, aluminum, cooper and lead), smelting additives and sponger ... 130-160mm4.6-5.5T/M36-9KG30-37KW3-4PCS/MINAutomatic Horizontal Metal Scrap Compactor Machine