The materials of the light wood wool boards contain cement as a binder. In combination with water contained in humid air, cement gives a strongly alkaline reaction. It makes it, that alkyd varnishes are saponified and become water-soluble.
Veneered interior doors have …
Aluminium
Why aluminum can be anodized and what is it about? Anodized aluminum is an electrically oxidized aluminum. An oxide layer is electrochemically deposited on the aluminum surface, increasing the resistance of this surface. At the same time, different colors can be obtained by anodizing.
Large aluminum windows …
In the tank of the new sewage treatment plant, the built-in and already primed steel elements were intended for painting. About 10% the surface of steel elements shows corrosion. The coating must be resistant to the effects of wastewater with a pH value of 1. Please list the necessary painting activities …