Liquid Sodium Silicate (Neutral)

Liquid Sodium Silicate (Neutral), also known as water glass, is a versatile inorganic chemical compound with various applications in the construction industry. Its neutral form, which has a pH close to 7, is commonly used for several purposes.

Here are some applications and uses of liquid sodium silicate (neutral) in construction:

Adhesive and Binder: Liquid sodium silicate can be used as an adhesive and binder for various construction materials. It has excellent bonding properties and can be used to join or bind different materials together, such as masonry units, concrete blocks, and bricks.

Soil Stabilization: Sodium silicate can be used to stabilize soil and enhance its load-bearing capacity. When mixed with soil, it reacts with calcium ions to form a stable gel-like substance, improving the cohesion and strength of the soil. This technique is particularly useful in road construction and foundation stabilization.

Concrete and Mortar Additive: Adding liquid sodium silicate to concrete and mortar mixtures can enhance their strength, durability, and resistance to chemicals. It acts as a plasticizer, reducing the water content needed for workability while maintaining or increasing the strength of the hardened material.

Surface Coating and Protection: Sodium silicate can be applied as a coating or sealer to protect concrete surfaces from moisture penetration, chemical attack, and abrasion. It forms a thin, protective layer that helps extend the lifespan of structures, such as bridges, tunnels, and buildings.

Fireproofing: Liquid sodium silicate is used as a fireproofing agent for various construction materials. When applied to wood, fabric, or other combustible materials, it reacts with heat and forms an insulating layer that slows down the spread of flames and reduces the material’s flammability.

Waterproofing: Sodium silicate can be used as a waterproofing agent for porous materials, such as concrete, bricks, and stone. It penetrates into the material’s pores and reacts with calcium hydroxide, forming a water-resistant gel-like substance that reduces water absorption and prevents moisture-related damage.

Corrosion Inhibitor: When added to concrete or coatings, liquid sodium silicate can act as a corrosion inhibitor, protecting embedded steel reinforcement from corrosion caused by moisture and aggressive chemicals. This helps to extend the service life of reinforced concrete structures.

It’s important to note that the specific applications and formulations may vary depending on the construction project and the desired properties. Consulting with experts and following manufacturer guidelines is recommended for proper usage of liquid sodium silicate in construction.