... 1,pressing machine for metal scrap 2, metal briquette is easy to melt Hydraulic aluminum chips briquetting machine ... (weight: 2-8kg)2,Raw materials :metal scrap filings(as iron, copper and aluminum ,etc.), metal powders (as iron, aluminum, cooper and ... ), smelting additives and sponger iron3,High density of final product –metal briquette. The density of the cakes or blocks shall be ...