Foil coarse grain embossing
The term "Grobkorn" is synonymous with the product designation "Stucco." This embossing is known from the sheet metal sector.
The term "Grobkorn" is synonymous with the product designation "Stucco." This embossing is primarily used for sheets in facades, cladding, or gates. In the thinner film sector, we refer to the Grobkorn embossing, which is very similar to a worm-like structure. This Grobkorn structure can be formed in various sizes and finenesses. Here, the intended use is the decisive criterion. Custom embossings with logos or names are also possible with this flat embossing.
The Grobkorn embossing results in an increased surface area and allows, for example, liquid adhesives to achieve a better bond. Grobkorn has been used in the roofing industry as a carrier material for bitumen sheets. Additionally, the increased surface area positively affects smaller deformations, as the worm-like...