What are the tasks of binders in painting materials and their coatings??
The binder binds the components of the coating material together. Otherwise, the binder ensures the adhesion of the coating to the substrate. It also affects the appearance of the substrate and provides protection.
Which binders show an alkaline effect?
Alkaline binders include: calcium carbonate, cement and water glass.
What binders are used in the manufacture of mineral painting materials?
Lime paints are among the mineral painting materials, cement and silicate. Lime paints contain lime as a binder, or more precisely – slaked lime (calcium hydroxide). White is used for cement paints, iron oxide free Portland cements and / or hydraulic or highly hydraulic limes. Silicate paints contain a binder in the form of a potassium water glass, often referred to as fixatives.
What are oil binders?
Linseed oil is predominantly used as an oil binder, sometimes also mixed with other oils, e.g. sunflower, soybean etc.. Tar oils were used in the past to protect wood. Due to the high risk to health, they are no longer allowed to be used.
Colloquially, oil binders are often used to describe all binders that can be diluted with organic solvents.. However, this is incorrect from a factual point of view, because today these binders are mainly made of resins and contain almost no oil.