With prolonged circulation of bottles, the glass surface gets mechanically suffed, leading to negative wear marks on the surface. A quality package, however, is the first impression of a product for a customer. Wear marks deteriorate such a quality appearance. Beer marketers are aware of this and put much effort into an optimal presentation of the product.
Sufex is a paraffin based product that is applied in a watery solution. With this emulsion, dry, filled bottles are coated in a separate application step on the packaging line. After drying, wear marks are optically covered leading to a clean and stainless surface.