Iron Free Acidic Ramming Mass is suitable for with standing higher temperature up to l720 ° C. The Acidic Ramming Mass is used by mixing boric acid 0.8% to 1.5% according to the type of metal Low for steel and high for cast iron melting. The Acidic Ramming Mass is available in packing of 50 kg. HDPE bags and 1 or 1.25 mt Jumbo bags with liner inside. The Iron Free Acidic Ramming Mass is capable of providing efficient performance.