FIELD: process engineering.
SUBSTANCE: invention relates to article with its surface sealed at least partially, and to methods to seal said surface and to sealing layer that comprises a layer of chemically active melt and a layer of coating. Method of sealing comprises applying chemically active polyurethane-based layer, smoothing it out, if required, and applying coat layer on said chemically active melt layer. Article with sealing surface comprises chemically active polyurethane-based layer and coat layer based on chemically active melt.
EFFECT: applying one-layer coat in one job, fast and efficient sealing.
16 cl
