Uses of Sodium Silicate

Sodium Silicate, also known as water glass or liquid glass, is an inorganic compound with the formula Na2SiO3. It is available in aqueous solution and in solid form and is used in a variety of industrial and laboratory processes. Let’s explore some common uses for sodium silicate.

One of the most popular uses for sodium silicate is as a sealant. When applied to porous surfaces, it forms a hard, waterproof seal that resists weathering and corrosion. It is often used to seal concrete and masonry, making it an ideal choice for outdoor applications.

Sodium silicate can also be used as an adhesive. When mixed with sand and water, it forms a strong bond that can be used to attach metal or ceramic objects to each other. This makes it useful for joining pipes, fittings, and other materials in construction and manufacturing applications.

Another common use for sodium silicate is as a binding agent. When added to sand, it forms a strongcrete-like material that can be used for sidewalk construction, flooring, countertops, and more.

Sodium silicate can also be used as a fireproofing agent. When sprayed onto surfaces, it creates a heat-resistant barrier that helps protect against fire damage. This makes it an ideal choice for use in factories, warehouses, and other commercial buildings.

Lastly, sodium silicate can be used as an antifreeze agent. When added to water, it inhibits the formation of ice crystals, making it useful for preventing freeze damage in pipes and plumbing systems.

As you can see, sodium silicate has a wide variety of uses across many industries. If you are interested in using sodium silicate for your next project, contact your local supplier to get started.

What is Sodium Silicate?

Sodium Silicate, also known as waterglass, is a compound of silicon dioxide (sand), soda ash, and water. It is odorless, colorless, and non-flammable. The primary use of sodium silicate is as a binding agent. It is used in the manufacture of paperboard, adhesives, fireproofing materials, and cements. It is also used in stucco mixtures and plaster.


Sodium silicate, also known as waterglass, is a chemical compound that can be used in a number of different ways. It is most commonly used as a bonding agent or sealant, but it can also be used as an insecticide, herbicide, and fungicide. Sodium silicate is also sometimes used in the food industry as an anti-caking agent.

Sodium silicate can be found in a variety of household products, including some types of paint, cement, and oven cleaner. It can also be purchased from hardware stores and online retailers.

How is Sodium Silicate Made?

Sodium silicate, also known as waterglass, is a compound made from sodium oxide and silicon dioxide. It is used in a variety of industries, including construction and automotive manufacturing.

Sodium silicate is made by combining sodium hydroxide and silicone dioxide. The resulting mixture is then cooled and formed into pellets or granules. These can be used as-is, or they can be combined with water to form a liquid solution.

Sodium silicate is used in a variety of applications, including as an additive in concrete, mortar, and stucco. It is also used in the production of paper, detergents, and textiles. Additionally, it is sometimes used as a food additive or preservative.

Health and Safety

Always follow the manufacturer’s directions when using any cleaners, including sodium silicate. Here are some health and safety tips to keep in mind:

  • Wear gloves, eye protection and a face mask when handling sodium silicate. 
  • Do not mix sodium silicate with other cleaners or chemicals.
  • Store sodium silicate in a cool, dry place.
  • Keep containers of sodium silicate sealed when not in use.
  • Dispose of any unused sodium silicate according to the manufacturer’s instructions.

Where to Buy Sodium Silicate

Sodium silicate is a versatile chemical compound that has a wide range of industrial and commercial uses. You can purchase sodium silicate from many online retailers as well as from brick-and-mortar stores that sell chemicals and industrial supplies. Here are a few tips to help you find the right source for sodium silicate.

  • When searching for sodium silicate, be sure to include the name of your city or region in your search terms. This will help you find local retailers that sell the product. 
  • Check with online retailers that sell chemicals and industrial supplies. Many of these retailers offer Sodium Silicate for sale.
  • Compare prices from different sources before making a purchase. Sodium Silicate is available in both dry and liquid form, so be sure to select the form you need.
  • Be sure to read the product label carefully before making a purchase to ensure that you are getting the right product for your needs.


Sodium silicate is a versatile substance with many uses, ranging from acting as a binder in foundry molds to being added to drilling fluid to increase viscosity. It can also be used as a termite-resistant coating for wood and as an additive in concrete. You can purchase sodium silicate at most hardware and home improvement stores, as well as online.

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