Cement Fire Mortar with type SM is provided in various specifications according to the level of temperature resistance and Fire Brick or Refractory Bricks to be installed such as Fire Mortar, SM-32; BC-36; BC-38; s / d SM-40. Refractory Cement is usually used in various industries such as boiler furnaces, furnaces in the iron and steel industry, aluminum smelting furnaces, and others. Mortar / refractory cement which is a cement that is different from other types of cement in general. For example, mortar, which is one of the most widely used building materials in the construction sector, is made from cement which is used as an adhesive to create a sturdy building structure. Mortar is another type of cement, mortar itself is refractory cement which is strong enough in terms of filler and has been developed into various forms such as paving blocks and concrete buis.