Aqueous Pigments Dispersions Make Preparing Paint Easy
Natural Pigments introduces a new way of making traditional waterborne paint: Rublev Colours® Aqueous Dispersions. Aqueous dispersions are pigments dispersed in water ready to be mixed with water-based mediums. They make preparing waterborne paint easy; you don't hassle with powders, grinding, and calculating pigment-to-binder ratios. These dispersions are specially made for traditional painting mediums, such as egg, casein, fresco, watercolors, and distemper (glue tempera). They are also ideally suited for use with gesso for making toned grounds for drawing and painting.
Rublev Colours Aqueous Dispersions are highly concentrated, free-flowing, yet thick, stable liquids in which pigment particles are suspended in water. Dispersions are produced by mixing dry pigments, water, and other ingredients.
Visit our Swatch and Pigment guide for details on Rublev Colours Pigments images and where to find pigment information.
Frequently Asked Questions
What are pigment dispersions?
Pigment dispersions are dry pigments dispersed in a liquid that are usually stabilized with resins, dispersants, surfactants, or other additives to minimize flocculation, a phenomenon where pigment particles come out of suspension to sediment in the form of flocs or lumps.
What are dispersions in paint?
Dispersion is the principal stage in making paint. The purpose of dispersing pigments is to break up agglomerates and aggregates of dry pigment powder into individual or primary particles that remain stable and do not flocculate. Pigment dispersions do not require dispersing into the paint binder as they are ready to add to the liquid binder by simply stirring the dispersion into it.
How do you make pigment dispersions?
Pigment dispersions involve replacing air surrounding solid particles of the dry pigment powder with the liquid binder, separating the clumps of pigment particles so that they are uniformly distributed in the liquid. The dispersed particles must be separated and stabilized, or they will flocculate to form new clumps.
What are the properties of pigment dispersion?
The essential properties required for pigment dispersions are stability from sedimentation and flocculation, good viscosity, optimal opacity, and the highest tinting strength.
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