March 21, 2025
Silane molecules (e.g., isobutyl-triethoxysilane) are small enough to infiltrate concrete pores up to 10 mm deep。Through hydrolysis, silane reacts with atmospheric moisture and hydroxyl groups in concrete, forming a stable siloxane network. This chemically bonded layer repels water while allowing vapor transmission, preventing internal pressure buildup.
Reduces chloride ion ingress by ≥95%, critical for marine structures and de-icing salt-exposed roads. Complies with EN 1504-2 and ASTM C672 standards for surface hydrophobization.
Unlike film-forming coatings, silane does not peel or crack. Laboratory tests confirm 20+ years of protection under UV exposure and cyclic freeze-thaw conditions.
Zero VOCs, non-flammable, and compliant with green building criteria.Reduces concrete repair frequency, cutting lifecycle carbon footprint by 30%.
Single application lasts decades—no need for recurring recoating.
Labor savings: Spray or roll application at 50–100 m²/hour (vs. 20 m²/hour for epoxy systems).
Case Study: Norway’s Atlantic Ocean Road
After treating 15 km of concrete barriers with silane, chloride content dropped from 0.6% to 0.05% over 5 years. Maintenance costs reduced by €1.2 million annually.
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