Fire protection mortar

A composition for the preparation of a fire protection mortar comprising 45 to 70% by weight of cement binder,8 to 20% by weight calcite,8 to 20% by weight mica,0 to 5% by weight of xonotlite,0.1 to 20% by weight of expanded perlite,0.1 to 10% by weight of fibers,0.01 to 2% by weight of air entrainer and foaming agent,0.01 to 2% by weight of processing aids.