Composicion de recubrimiento que tiene una concentracion volumetrica del pigmento desde 5% hasta la concentracion critica en volumen del pigmento, que comprende carbonato de calcio natural molido submicronico con un diametro entre 0,05 y 0,3 micrones, y al menos un pigmento con un indice de refraccion mayor o igual a 2,5; proceso para preparar dicha composicion; uso; concreto; y pintura.

摘要

Coating composition providing gloss and opacity on application, having a pigment volume concentration of from 5% up to the critical pigment volume concentration and characterised in that comprises at least one ground natural calcium carbonate having a median diameter of between 0.05 and 0.3 µm, and at least one pigment having a refractive index of greater than or equal to 2.5.