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In the paint industry, ground mica is used as a pigment extender that also facilitates suspension, reduces chalking, prevents shrinking and shearing of the paint film, increases the resistance of the paint film to water penetration and weathering and brightens the tone of colored pigments. Mica also promotes paint adhesion in aqueous and ...
The coating of the alumina platelets with high-refractive metal oxides, such as with titanium dioxide and iron(III) oxide leads to strongly reflecting effect pigments. These pigments possess a strong glitter effect. The coating process is analogous to that used for metal oxide mica pigments except it starts from an aqueous suspension of Al 2 O ...
Calcium carbonate powder accounts for 97% of the composition will bring white/opaque products more whiteness. So manufacturers can reduce the usage of white masterbatch. With a smaller percentage, calcium carbonate powder can be used for color products. In addition, it brings final plastic products a more bright and more glossy surface. [8]
When MIO pigments are ground into fine particles, most cleave into shiny layers, which reflect light, thus minimising UV degradation and protecting the resin binder. Most pigments used in paint tend to be spherical, but lamellar pigments, such as glass flake and MIO have overlapping plates, which impede the path of water molecules. [30]
A masterbatch is a concentrated mixture of pigments and / or additives blended and extruded together in a carrier matrix, such as resin or wax, that is used to add these mixed additives to a final plastic product. The additives may be used for colouring (a "colour masterbatch") or for imparting other properties (an "additive masterbatch").
Commonly three types of silicate paints are distinguished: Pure silicate paint consisting of two components, a color powder in dry or water-paste form and the liquid binder water glass. (DIN 18363 Painting and coating work Section 2.4.1). The processing of pure silicate paints require great experience and know-how.
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