Category Archives: Processes

Steel dyeing

Black dyeing of steelColoring of metals – Instead of painting metals with various types of varnishes or enamels, colored compounds can be produced chemically on their surface, characterized by high durability, and at the same time, …

Metal surface finishing

metal cleaningMetal surface finishing – After the mechanical treatment, the metal surface can be treated with chemical agents, in order to obtain additional aesthetic or functional effects. They are obtained by painting, etching, surface staining, …

Adhesive for polystyrene

StyrofoamAdhesive for polystyrene. Dissolve small pieces of polystyrene in benzene, trichlorethylene or carbon tetrachloride. Dissolution can be greatly accelerated, using instead of hard polystyrene, expanded polystyrene, the so-called. polystyrene. The glue should be thin, because …

Welding of polyethylene

Welding of polyethylene. Polyethylene does not stick to any glue. Polyethylene films can be easily welded, pinching the edges between two flat wooden or metal strips, so that the edge of the 1-width foil protrudes…1,5 …