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Silane USi-6802P – Octyl Silane Paste (80%)
High-Concentration, Non-Drip Waterproofing Paste for Deep Concrete Protection
Active Ingredient: Octyltriethoxysilane
Form: White paste
Active Content: 80%USi-6802P is a high-viscosity, non-drip silane paste formulated with 80% active octyl silane. Specially engineered for professional concrete protection, it delivers deep penetration (3–4 mm), >90% reduction in water absorption, and long-term (>20 years) durability—even in aggressive marine, deicing salt, and freeze-thaw environments. Ideal for critical infrastructure where performance, longevity, and ease of application on vertical surfaces are paramount.
🧪 Product Description
Unlike liquid or emulsion-based sealers, USi-6802P’s paste formulation offers unique field advantages:
- Stays in place on vertical and overhead concrete—no runoff, ensuring full contact time for deep impregnation
- High active content (80%) maximizes silane delivery per unit volume, reducing material consumption
- The active octyl silane penetrates 3–4 mm into the concrete matrix and chemically bonds to form a hydrophobic barrier within the pores—not on the surface
- Effectively seals micro-cracks up to 0.2 mm, preventing chloride/water ingress
- Treated surfaces remain breathable, non-glossy, and visually unchanged—preserving the aesthetic of architectural concrete (e.g., as-cast finishes)
✅ Key Advantage: Combines maximum active ingredient concentration, vertical-surface stability, and proven >20-year service life—making it the most economical long-term solution vs. epoxy-coated rebar, corrosion inhibitors, or cathodic protection.
📊 Typical Technical Data
Values are typical and not for specification. Confirm with technical team before use.
Parameter Specification Appearance White paste Active Content (Purity) 80% Penetration Depth 3–4 mm Bibulous Rate ≤ 0.01 mm/min Chloride Ion Reduction ≥ 90%
🏗️ Key Applications
🔹 Critical Infrastructure Protection
- Seaports, cross-sea bridges, offshore platforms
- Hydraulic dams, tunnels, viaducts, highway/railway bridges
- Airport runways, thermal power plants, sewage treatment facilities
🔹 Concrete Exposed to Aggressive Environments
- Structures subject to marine salt spray, deicing salts, acid rain, and freeze-thaw cycles
- Prevents rebar corrosion, concrete spalling, mold/mildew growth, and surface darkening
🔹 Architectural & Heritage Concrete
- As-cast-finish buildings, precast facades, historic restoration
- Maintains original texture and color while providing invisible, breathable protection
💡 Why Choose Silane Over Alternatives?
Protection Method Service Life Breathable? Aesthetic Impact Cost Efficiency USi-6802P (Silane) >20 yrs ✅ Yes None ⭐⭐⭐⭐⭐ (Best) Epoxy-Coated Rebar 10–15 yrs N/A N/A ⭐⭐ Corrosion Inhibitors 5–10 yrs N/A N/A ⭐⭐⭐ Cathodic Protection 15–20 yrs N/A Requires hardware ⭐ Silane is the only method that protects from within while preserving concrete’s natural properties.
📦 Packaging
Available in job-site-ready containers:
- 25 L pail
- 200 L drum
- 1000 L IBC tote
⚠️ Safety & Storage
- Store in original sealed containers at or below 25°C
- Keep away from moisture and direct sunlight
- Shelf Life: 12 months from production date
- Consult latest SDS at www.usi-chemical.com or upon request
📞 Contact Us
Nanjing Union Silicon Chemical Co., Ltd.
Global Leader in High-Performance Silane Solutions for Infrastructure Longevity- Headquarters:
Room 2002, Overseas Chinese Plaza, No.1 Daqiao North Road, Nanjing 210031, Jiangsu, P.R. China - Factory Address:
Dongcheng Guanli District, Gaizhou 115200, Liaoning, P.R. China - Tel: +86-25-5889 5266 / 5889 5699
- Fax: +86-25-5830 5349
- Website: www.usi-chemical.com
- Email: service@usichemical.com
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