Refractories are the most opt and essential materials with high strength and no-fusion used in High Temperature Boilers and furnaces in the steel industry Paper Mills,Paints,Medical Pharma,Tyre and Oil Mills .The refractory bed materials and mortar will attain more quality by its constitute composition they are classified as Bed Material maximum particle size from Sieve No.4 upto Sieve No.30.In different sizes of granules and powder can be produce by using different measures.