N=SiO2/Na2O is the molar ratio. It is the module of sodium silicate. Modulus is an important parameter for sodium silicate. It is typically between 1.5 to 3.5. Modulus determines how difficult sodium silicate is to dissolve in water. Warm water can dissolve if n remains constant. However, if n increases, then hot water is required. If n exceeds 3, steam at greater than 4 atmosphere pressure is required for dissolution.
The greater the modulus of sodium sililicate, the higher the Si content. Also, sodium silicate has a viscosity that increases with increasing silica content. It is easier to decompose and harden sodium silicate and the bonding strength increases. Additionally, sodium silicate with different levels of polymerization has significant differences. These differences have an impact on the production and use of the hydrolysate.
The sodium silicate can be broken down into two types: solid sodium silicate (liquid sodium silicate)
Liquid sodium silicate
Liquid Na2O*nSiO2 can be distinguished by the difference in the ratio of quartz and alkali. The appearance of liquid Na2O*nSiO2 will also vary depending on the type of alkali. There are many colors available, including black, gray and colorless. There are three types of neutral Na2O*nSiO2, Alkaline Na2O*nSiO2, and weakly simple Na2O*nSiO2.
Solid sodium silicate
Solid-state Ni2O*nSiO22 is a intermediate product that has a pale blue appearance. The Na2O*nSiO2 created by dry casting is transparent and bulky. While the Na2O*nSiO2 obtained by wet water quenching is granular and can only be used for liquid Na2O*nSiO2. There are several common types of Na2O*nSiO2 product options: powder solid, block solid, instant sodium Silicate, zero-water sodium metasilicate pentahydrate sodium Metasilicate and sodium orthosilicate.
For what purpose is sodium silicate used?
The soap industry’s most valuable filler is sodium silicate. The alkalinity of laundry detergent can be lowered by adding sodium silicate. This will reduce soap loss and improve washing performance.
Sodium silicate helps to wash, stabilize and prevent corrosion in synthetic detergents.
Useful for papermaking filler.
It is used for the manufacture of silica gel.
This is used to bond clay and sand in the foundry, and create all sorts of cores and molds.
What are the other names for sodium silicate,
Sodium silicate can be described as an inorganic salt that has silicate as a counterion. It is also known to be sodium metasilicate, or water glass.
How does sodium silicate affect concrete?
Alkali activator for alkali active cement can be made from sodium silicate. Concrete uses it as a setting agent and silicate mineral coating to increase durability and waterproofing.
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