Acidic Ramming Mass, also known as Silica Ramming Mass or Mix, is used in Coreless Induction Furnaces, for melting of scrap. It is a dry lining refractory that can be used for all types of iron and steel and in both mini steel plants as well as foundries. a series of high performance Silica Ramming Mixes (also known as Acidic Ramming Mass in generic terms), designed to minimize erosion in induction melting.