WEDOLIT K 725
WEDOLIT K 725
WEDOLiT K 725 is an anticorrosion agent for steel. It is suitable for temporary corrosion prevention in storage under a roof. Its protective effect results from a combination of film-forming inhibitors. After the evaporation of the solvent, a thin, waxy, non-ageing protective film develops on the treated surface. This film don’t run-off by storage of the treated material. Since full corrosion prevention can only be obtained with the solvent-free film, a drying time of approximately 24 hours - especially before packing in boxes with oiled papers or foils - must be keep evaporating the solvent completely. The protective film can be easily removed with organic solvents or water-soluble industrial cleaning agents after a longer storage of the preserved material.
WEDOLiT K 725 displaces water - the so-called dewatering effect. By this means, the rests of aqueous treatment liquids are removed from the surface of the parts and the danger of corrosion below the film is eliminated. After a short period of time, the water separates from the immersion bath and can be easily removed from the bottom of the bath tank.
Because of the excellent non-ageing-stability of the protective film, WEDOLIT K 725 is preferable used for the corrosion protection of bright-rolled or polished surfaces. Its low viscosity enable the application as immersion bath by ambient temperature for the treatment of hollow parts, e.g. tubes (pipes). It can also be used by spraying, flooding or by means of rollers.
WEDOLiTK 725 can jelly on temperatures less than 15°C. This process is reversible, i.e. through elevating the temperatures above 20°C and homogenising the product, the original viscosity reappears.
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