Mineral paints - mineral principle

KEIM. Consequently mineral.

It is not just any colour

KEIM silicate paint – the mineral principle

Paints differ from one another in very significant ways. The "inner core" of a colour are fundamental for its characteristics profile, which is made up of its composition of binding agents, pigments, fillers and additives.

Binding agents ensure adhesion

A distinction may be drawn between two large groups of binding agents: inorganic (mineral) binding agents (such as potassium silicate, which is related to quartz stone) and organic binding agents (such as polymer emulsions or silicone resin emulsions). The main difference is the principle of adhesion: Mineral binding agents react chemically with the substrate, while organic binders adhere only by "adhesive bonding". The binding agent is also responsible for many of the paint's properties. It also determines the renovation cycle of a facade. Paints with mineral binding agents have a slight advantage in this case.

Pigments give paint its colour

(Colouring) pigments are very fine, extremely chromophoric powders. The addition of pigments imparts colour to coating materials. Pigments are also divided into inorganic (= mineral) and organic types:

Inorganic pigments are obtained from raw materials (for example from minerals), while organic pigments are mainly manufactured from organic raw materials. Mineral pigments are extremely colour resistant and do not fade.



Fillers & additives – important helpers

Rock flours are usually used as fillers. These fillers provide the applied paint with the layer thickness required to protect the façade from weathering. Most paints also contain so-called additives. Additives are auxiliary substances with which various paint properties can be controlled (such as water-repellency or consistency).






WATER GLASS – THE SILICATE PAINT BINDING AGENT.

Natural, mineral and with an ingenious adhesion principle

The most important influence factor of paint is the binding agent. It binds the various constituents together, and above all ensures that the paint adheres to the substrate. We differentiate between inorganic (mineral) and organic binding agents.

INORGANIC BINDING AGENTS

...are produced from raw mineral materials. The most stable mineral paint binding agent is potassium waterglass (= potassium silicate)

Anorganische Bindemittel

Mineral binding agents react chemically with the substrate. The principle of silicate technology is based on the silicification of the binding agent with the substrate – a chemical process during which the potassium water glass binding agent reacts with the mineral substrate. This causes a secure and indissoluble bond between the paint and the underlying substrate (render, natural stone, concrete etc.).
The plaster cross-section shows this silicification process using dyed KEIM Fixativs (liquid potassium silicate). This bond is decisive for the unmatched longevity of KEIM silicate paints.

ORGANIC BINDING AGENTS

...such as synthetic resin emulsion paints or silicone resin emulsions are based on the chemistry of hydrocarbons (oil chemistry), as we know it from adhesives. They adhere purely as a result of the physical process of adhesive bonding.





KEIM SILICATE PAINTS. ADVANTAGES AND BENEFITS.

KEIM paints are completely mineral-based. The natural "water glass" binding agent is a silicate that chemically bonds with mineral substrates such as stone, render and concrete. An extremely durable bond which is much more durable compared to purely surface adhesive bonding of customary emulsion paints, is created.

Additional information
KEIM. CONSISTENTLY MINERAL.

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