Definitions

silicate mineral

Mineral Paints are mineral based coatings formulated with potassium silicate or sodium silicate, otherwise known as waterglass as the binder, combined with inorganic, alkaline-resistant pigments. They are fully inorganic (containing no organic solvents) and are non-offgassing. Mineral paints petrify, by binding to any silicates within the substrate, forming a micro-crystalline structure and a breathable finish. They are more of a stain, that becomes integral to the substrate, rather than a coating. They are alkaline and therefore inhibit microbiotic growth, and reduce carbonization of cementitious materials.

The majority of non-toxic concrete stains and limestone restoration products are waterglass based. Mineral paints are also used as a non-toxic wood preservative.

The difference between the use of sodium silicate and potassium silicate as a binder is mainly geographic. The western hemisphere mainly produces sodium silicate, where Europe produces potassium silicate

Possible substrates:

  • masonry
  • stone
  • concrete
  • lime plasters
  • earthen plasters

Applications:

  • environmentally friendly, non-toxic applications
  • high durability, especially on masonry products, and lightfast
  • breathable finish
  • Acid rain resistance
  • antifungal properties
  • reduces carbonization of cement based materials

External links

www.keimpaints.co.za

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