Overview
Silane impregnating agent is a reactive chemical treatment used to enhance the durability of porous construction materials like concrete, stone, and brick. It functions by penetrating the substrate and forming a hydrophobic barrier through chemical bonding, reducing water absorption by up to 95% while allowing vapor transmission. Developed in the mid-20th century, modern formulations combine alkylalkoxysilanes with carriers like ethanol or isopropanol for optimal penetration. The agent is widely specified in infrastructure projects due to its long service life (often 10+ years) and minimal impact on substrate aesthetics.
Physical and Chemical Properties
The agent typically appears as a low-viscosity liquid with a mild alcohol-like odor. Its low molecular weight (under 300 g/mol) enables deep penetration into capillaries up to 10 mm. Upon contact with substrate moisture, silanes undergo hydrolysis to form silanols, which subsequently condense into a polysiloxane network. Key performance metrics include contact angle (>100° for effective hydrophobicity) and chloride ion reduction (measured by ASTM C1202). Most commercial products have a pH of 4–6 and flash points between 20–40°C, requiring careful handling.
Main Applications
Primary use cases include protecting concrete bridges from de-icing salts, marine structures from chloride-induced corrosion, and historical masonry from weathering. In offshore environments, it reduces spalling caused by freeze-thaw cycles by preventing water saturation. Secondary applications include waterproofing parking decks, balconies, and wastewater treatment plants. Unlike film-forming coatings, silane impregnation preserves substrate breathability, making it ideal for carbonation-prone reinforced concrete.
Safety and Storage
As a solvent-based product, the agent requires Class II flammable liquid storage with explosion-proof electrical fittings. Unopened containers typically have a 12-month shelf life when stored below 30°C. Crystallization may occur in cold conditions but can be reversed by warming to 25°C. Application safety mandates respirators with organic vapor cartridges and chemical-resistant gloves. Spills should be contained with absorbent materials like vermiculite, never washed into drains due to aquatic toxicity concerns.
B2B Procurement Guide
Industrial buyers should prioritize suppliers providing independent test reports for EN 1504-2 (concrete protection) or ASTM C672 (freeze-thaw resistance). Bulk orders (200+ kg drums) typically offer 15–30% cost savings but require verification of batch consistency. Technical specifications to confirm include active content (≥98% for premium grades), VOC levels (<300 g/L for eco-sensitive projects), and penetration depth (verified by ISAT or Karsten tube tests). Sample testing on project substrates is strongly recommended before large-scale procurement.
Related Manufacturers
- 主营：防腐涂料、线圈绝缘胶泥、阻燃玻璃纤维布、抑尘剂、密封固化剂、硅烷浸渍剂、混凝土养护剂、水泥基面增强剂、玻璃纤维玻纤布
- 主营：[]
- 主营：乙烯基酯防腐涂料、JRK三防一体防腐层、IPN防腐涂料、无溶剂弹性防腐涂层、水性渗透型无机防水剂、硅烷、F511B抗渗密实剂、VRA复合防腐涂料、氟改性重防腐涂层、聚合物改性沥青防水层、水性沥青基防水涂料、桥面防水涂料、污水厂防腐涂料、改性聚氨酯防腐涂料、DPS永凝液、环氧沥青防腐涂料、环氧树脂防腐涂料、弹性环氧防腐涂层、fyt改进型防水涂料、二阶反应型防水涂料、lm复合防腐防水涂料、IPN8710防腐漆、氟碳防腐涂料、高分子防腐防水涂料、PB道桥防水涂料
- 主营：[]
- 主营：灌浆料、高分子益胶泥、路面修补料、硅烷浸渍剂、环氧灌浆料、铁屑砂浆
- 主营：防水防腐涂料、保温涂料、道桥专用涂料、硅烷浸渍剂、隔音涂料、屋顶防晒隔热漆
- 主营：混凝土色差修复剂、清水混凝土保护剂、有机硅憎水剂、硅烷浸渍剂、沥青路面强化保护剂、钢筋阻锈剂、混凝土防碳化涂料、混凝土防腐涂料、高光乳液
- 主营：沥青砂浆、环氧沥青、沥青胶泥、防水剂、憎水剂、沥青油膏、防水涂料、聚合物防水、透明防水胶、聚氨酯防腐、聚氨酯防水、盐防水砂浆、防油渗胶泥、胶乳水泥砂浆、渗透结晶防水
- 主营：乙烯基酯防腐防水涂料、乙烯基酯改性防腐防水、LM复合防腐防水涂料、无溶剂弹性防腐涂料、桥面防水剂、复合防腐防水涂料、聚氨酯防腐防水涂料、水泥基渗透结晶型防水、硅橡胶防腐防水涂料、乙烯基酯复合防腐防水、LV高分子聚合物防腐、三防一体弹性防腐防水、改性硅氧烷高性能防腐
- 主营：环氧树脂灌浆料、环氧树脂砂浆、环氧树脂胶泥、混凝土色差调整修复剂、高强耐磨料、混凝土修补剂、环氧界面剂、混凝土界面剂、混凝土再浇剂、环氧灌浆砂浆、聚合物加固修补砂浆、丙乳砂浆、高强无收缩灌浆料、粘钢胶、微膨胀注浆料、防碳化涂料、微膨胀水泥、无机注浆料、高延性混凝土
- 主营：高强无收缩灌浆料、自流平水泥砂浆、环氧修补砂浆、高效减水剂、混凝土膨胀剂、抗渗防水剂、速凝剂、混凝土早强剂、混凝土防腐阻锈剂、混凝土色差修复剂、混凝土保护剂、金刚砂耐磨材料、水下不抗分散混凝土剂、自密实细石混凝土、高延性混凝土、路面快速修补砂浆、防水涂料、聚合物防水抗裂砂浆、聚合物水泥砂浆、桥梁支座灌浆料、环氧树脂、铝酸盐无机防腐砂浆、隧道微膨胀注浆料、防静电不发火砂浆、结构立面修补砂浆
- 主营：乙烯基酯防腐涂层、VRA复合防腐涂料、fyt防水涂料、无溶剂弹性防腐涂层、硅烷膏体、水性渗透型防水剂、聚合物改性沥青、水性沥青基防水、jrk防腐涂料、水池防腐、二阶反应、MEAC弹性环氧、桥面防水、DPS永凝液、改性聚氨酯、氟改性防腐、防水材料、三涂fyt防水层、防腐涂料、氟改性重防腐涂料、环氧沥青防腐、防水涂料、水性树脂、氰凝涂料
- 主营：氟碳漆、环氧地坪漆、无机涂料、无溶剂漆、耐高温漆、耐化学品漆、防腐防锈漆、户外地坪漆、环氧富锌底漆、聚硅氧烷漆、船舶防腐漆、多彩漆、环氧防腐漆、海虹老人漆、特种漆、防污漆
- 主营：灌浆料、压浆料、丙乳砂浆、混凝土色差修复剂、道钉锚固剂、高强耐磨料、环氧界面剂、混凝土界面剂、聚合物改性水泥砂浆、加固修补砂浆、道路修补料、自流平砂浆、轨道胶泥、环氧树脂稀胶泥、环氧腻子、高延性混凝土、粘钢胶、环氧修补砂浆、自流平、自流平水泥、水泥自流平
- 主营：防腐防水补漏涂料、反辐射隔热防水涂料、水泥基渗透结晶防水涂料、硅烷浸渍剂、新型隔音涂料、新型吸音涂料、水性纳米中空玻璃微珠保温隔热涂料、保温找平凝胶、各种路桥隧道防水涂料、聚氨酯沥青防水涂料、环氧防腐漆
- 主营：防水涂料、隔音涂料、保温隔热涂料
- 主营：异辛基三乙氧基硅烷、防水防腐保温隔热材料
- 主营：om-5防腐涂料、8710饮用水涂料、有机硅高温漆、无溶剂环氧涂料、耐油导静电涂料、丙烯酸聚氨酯漆、水性丙烯酸面漆、环氧陶瓷涂料、聚氯乙烯含氟荧丹漆、环氧玻璃鳞片涂料、乙烯基玻璃鳞片涂料、环氧自流平面漆、氟碳漆