MARKED MINERAL WOOL PRODUCT, MANUFACTURING METHOD AND APPARATUS PRODUCING OF SUCH MINERAL WOOL PRODUCT

摘要

This invention relates to a mineral wool product (2) having a mineral wool body which is preferably shaped as a rectangular parallelepiped and which contains binder and mineral wool fibres, and has a surface layer which delimits the mineral wool body and contains binder and mineral wool fibres, as well as a method and a device for producing such mineral wool products (2), the mineral wool product (2) being provided in a surface zone at least on one side of the mineral wool body surface, directly in and/or under the surface layer (22) and/or by means of imparting a structure to the surface layer (22), with a mark (20), the mark (20) being introduced into the surface zone of the mineral wool body before and/or during complete curing of the binder, so that when the mineral fibres crosslink under the influence of the binder, the mark is connected firmly with the mineral wool body.