For Concrete Floors nnnn
Hardeners are silicate-based penetrating sealers.
They react with soluble calcium compounds (free lime) in the concrete and form insoluble calcium silicates to create a breathable protective barrier
The new lithium silicates technology:
Physically : They increase the strength of the surface concrete and fill the micropores to densify and decrease porosity.
The free lime CaO in excess can react with water to form calcium hydroxide (CH = portlandite)
The silicates (S) react with the CH to produce calcium silicate hydrate (CSH), the same material that results from the reaction between portland cement and water, giving concrete much of its strength.
Additional CSH means denser and harder concrete.
Lithium silicates vs the old silicates technologies:
Older sodium and potassium silicates form an expansive alkali-silica gel to seal the surface.
This is why even properly finished and cured concrete can develop map cracking after the application of sodium and potassium products.
Sodium and potassium ions tend to react more violently and unevenly, leaving clumps of reacted and unreacted calcium scattered throughout the surface zone.
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H A R D E N High Lithium Content Hardener makes the surface of concrete harder and more abrasion-resistant
S E A L Medium Lithium Content Hardener & Sealer makes the surface glossy and feed the concrete floor with lithium silicates
W A X Low Lithium Content Sealer to assure the periodical / daily Maintenance
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