English 
T: 400-6130-885
E: cservice@xx.com
E: cservice@xx.com
5th floor, Financial Innovation Plaza, 8-2 Pusi Road, Jiangbei New District, Nanjing
Friendly link (QQ: 3004257586)
Friendly link (QQ: 3004257586)
| Quantity: | |
|---|---|
Methyl silicate is a series of water-soluble alkali methyl siliconate solutions used for the water-repellent treatment of construction materials and other compatible substrates. The series includes Sodium Methyl Silicate and Potassium Methyl Silicate grades with different solid and active-content levels to meet varying formulation and application requirements.
After dilution and application, the active material can react with carbon dioxide in the air to form an insoluble, breathable, water-repellent network on or within a compatible substrate. This treatment helps reduce moisture and water penetration while supporting the vapor permeability of porous mineral materials.
The methyl silicate series can be used as a surface-treatment agent for stone, brick, ceramics, concrete, cement mortar, perlite, gypsum board, wood, and other compatible materials. It can also be considered as an additive for suitable water-glass formulations. Grade selection should be based on the required alkali type, solid content, active content, substrate, dilution ratio, and application process.
Product Name | Model No. | Appearance | Solid Content (%) | Silsesquioxane Content（%） | PH Value | Relative Density (25℃) | Dilutability | Product Features and Applications |
Sodium Methyl Silicate | 8-100 | Colorless to light yellow transparent liquid | ≥30 | ≥15 | 13 | 1.100-1.300 | Dilute with waterin any proportion | It can react with CO₂ in the air to form an insoluble, breathable mesh-like waterproof film on the substrate surface, which has excellent waterproof effect and the advantages of impermeability, moisture resistance, rust resistance and aging resistance. |
Potassium Methyl Silicate | 8-200-42 | ≥42 | ≥23 | 13 | 1.300-1.400 | |||
8-200-52 | ≥52 | ≥28 | 13 | 1.300-1.400 | ||||
8-200-55 | ≥55 | ≥30 | 13 | 1.300-1.400 |
Methyl Silicate is supplied as an aqueous solution that can be diluted with water according to the intended application. Its water solubility supports distribution across compatible porous surfaces and allows the working concentration to be adjusted for different substrate absorption levels and processing methods.
After application, methyl siliconate reacts with atmospheric carbon dioxide and forms an insoluble silicone-derived network. This reaction provides a water-repellent effect that can help reduce capillary water absorption and moisture penetration in compatible construction materials.
The resulting treatment is designed to remain breathable, making it suitable for porous mineral substrates where water-vapor transmission is an important consideration.
The series includes one Sodium Methyl Silicate model and three Potassium Methyl Silicate models. Available solid contents range from at least 30% to at least 55%, while the specified silsesquioxane or active content ranges from at least 15% to at least 30%.
Suitable grades can be used on stone, brick, ceramics, concrete, cement mortar, perlite, gypsum board, wood, and other compatible substrates. The product may support impermeability, moisture resistance, weathering resistance, and surface protection when correctly diluted and applied.
Methyl Silicate can be used for the water-repellent treatment of compatible concrete, cement mortar, masonry, and related mineral construction materials. After penetrating the porous surface, the active material reacts with carbon dioxide in the air to form a hydrophobic network that helps reduce capillary water absorption.
The appropriate grade and working concentration should be selected according to substrate porosity, moisture content, surface condition, absorption rate, and required treatment depth.
Suitable grades can be applied to compatible natural or artificial stone, brick, ceramic products, and other porous building materials. The treatment can help reduce water penetration and moisture exposure without forming a conventional thick surface coating.
Preliminary testing is particularly important on colored, polished, low-absorption, or decorative surfaces. Evaluate appearance, penetration, residue formation, color change, and water repellency before full-scale application.
Methyl Silicate can be considered for hydrophobic treatment of perlite, gypsum board, and other compatible porous fillers or construction products. The water-dilutable form allows the working concentration to be adjusted according to the material’s absorption behavior and production process.
Evaluate the influence of treatment on water absorption, vapor permeability, bonding, drying, dimensional stability, and subsequent manufacturing operations.
The current product information also lists wood among the applicable substrates. Because wood species, moisture content, porosity, surface treatment, and finishing requirements differ significantly, compatibility and appearance should be evaluated before commercial use.
Confirm that the treatment does not adversely affect subsequent painting, bonding, staining, or coating operations.
Methyl Silicate may be used as an additive in compatible water-glass systems. The selected grade should be evaluated for compatibility with the silicate formulation, pH conditions, storage stability, processing method, and required water-repellent performance.
Complete small-scale formulation testing before production to confirm stability and avoid precipitation, excessive viscosity change, or other compatibility problems.
Methyl silicate is available in the following standard packaging:
200 L plastic drums
200 L plastic-coated iron drums
1,000 L IBC containers
Packaging availability should be confirmed according to the selected model, required quantity, destination, and shipping conditions.
Store methyl silicate in its original sealed packaging in a cool, dry place. Protect the product from contamination and avoid contact with acids and other incompatible materials.
A fixed shelf life is not stated in the current product information. Confirm the recommended storage period and batch-specific validity through the latest TDS, COA, or product label before use.
Methyl silicate as a non-dangerous product that can generally be transported under ordinary cargo conditions.
Methyl silicate is used as a water-repellent treatment for compatible construction materials and other porous substrates. Typical materials include concrete, cement mortar, stone, brick, ceramics, perlite, gypsum board, and wood. It can also be considered as an additive in suitable water-glass formulations.
After application, the active methyl siliconate reacts with carbon dioxide in the air to form an insoluble, breathable, silicone-derived network. This network helps reduce capillary water absorption and moisture penetration in compatible substrates.
Model 8-100 is a sodium-based product with a minimum solid content of 30% and a minimum active content of 15%. Models 8-200-42, 8-200-52, and 8-200-55 are potassium-based products with progressively higher specified solid and active-content levels.
