What is Solid Potassium Silicate Modulus 3.1-3.3?

Solid potassium silicate is a water-soluble anhydrous inorganic silicate solid widely applied across diversified industrial sectors.

Sanlee Chemical acts as a professional solid potassium silicate manufacturer and trusted potassium silicate solid supplier, supplying high-purity industrial anhydrous potassium silicate with steady chemical performance. Our customized solid potassium silicate modulus 3.1-3.3 fully satisfies all kinds of industrial production requirements, and our soluble potassium silicate solid boasts consistent quality across batches.

This solid silicate material is manufactured under precise high-temperature fusion and cooling processes, uniform particle distribution, ultra-low heavy metal impurities and stable molecular structure, serving as a premium raw material for countless industrial production processes.

Introduction to Solid Potassium Silicate

Also named potassium water glass solid, solid potassium silicate is anhydrous potassium silicate formed by melting silica sand and potash at high temperature without adding water solvent.

It presents as white or off-white granular/block solid at ambient temperature, featuring outstanding bonding strength, rapid water solubility, high-temperature fire resistance and chemical inertness.

Our mainstream modulus 3.1-3.3 soluble potassium silicate solid owns balanced silica-potassium oxide molar ratio and fast dissolution rate, compatible with most mainstream industrial formulas. Global manufacturers highly approve our potassium silicate solid for stable batch consistency and competitive cost efficiency.

CAS Number

CAS No.: 1312-76-1

Chemical Formula

General chemical formula: K₂O·nSiO₂; Our solid potassium silicate modulus 3.1-3.3 adopts accurately calibrated molar ratio of silicon dioxide to potassium oxide, maintaining stable molecular composition and uniform performance of every production lot.

Core Feature Advantages

With unique inherent physical and chemical traits, anhydrous potassium silicate fits a wide range of industrial application scenarios:

Powerful bonding capacity: Once dissolved into aqueous solution, soluble potassium silicate solid forms strong alkaline binder that tightly adheres sand, mineral powder, fiber and inorganic fillers.

Superior high-temperature & fireproof performance: High softening point, non-combustible and heat-insulating, ideal for refractory products and inorganic fire retardant materials.

Excellent chemical corrosion resistance: Resists erosion of weak acid, alkali and saline medium, long service life under harsh working conditions.

Eco-friendly non-toxic inorganic raw material: No volatile irritant gas, harmless to human body and ecological environment, safe for agricultural, construction and food-contact auxiliary applications.

What is potassium silicate glass?

Potassium silicate glass, commonly known as potassium water glass, is an extensively used inorganic compound. Due to its unique chemical properties and stable performance, it plays an indispensable role in various fields such as industry and agriculture. Compared with liquid potassium silicate, Potassium silicate glass is more convenient for storage, transportation, and proportioning use, with higher purity and more stable performance.

Sanlee Chemical as a professional potassium water glass supplier, we provide high-purity industrial potassium silicate with stable performance, especially the customized solid potassium silicate modulus 3.3-3.9 that meets diverse industrial production needs.

It is a core auxiliary material for many industries. This article will provide a detailed analysis of the basic properties, core characteristics, and multi-field applications of Potassium silicate glass, and helping everyone fully understand its application value, as well as the practical significance of potassium water glass in industrial and agricultural production.

Basic Properties and Core Characteristics of Potassium silicate glass (Potassium water glass)

Potassium silicate glass, as an inorganic compound, has a definite chemical composition and unique physical and chemical properties, which determine its wide range of applications. The specific details are as follows:

(1) Basic Physical and Chemical Properties

The chemical formula of Potassium silicate glass is usually written as K₂O·nSiO₂ (n is the modulus, representing the ratio of silicon dioxide to potassium oxide). Its appearance is mostly colorless or slightly yellowish transparent glass-like particles or blocks, with a hard texture and being difficult to break. Its core physical properties are outstanding. Its melting point is as high as 976℃, and it has excellent high-temperature resistance, not melting or deforming in high-temperature environments.

In terms of chemical properties, it can quickly dissolve in water, forming an alkaline solution after dissolution, which can react with acids to produce silicic acid precipitates, but it does not dissolve in organic solvents such as ethanol, and its stability is extremely strong—this is one of the most prominent chemical characteristics of potassium water glass.

(2) Core Feature Advantages

Apart from its basic properties, the core characteristics of Potassium silicate glass make it suitable for various application fields:

Firstly, it has strong adhesion, and the alkaline solution formed after dissolution has excellent adhesion ability, which can firmly bond various substances;

Secondly, it has excellent heat resistance and fire resistance, with a high melting point and non-flammability, making it suitable for high-temperature scenarios and fire prevention requirements;

Thirdly, it has good corrosion resistance, capable of resisting the erosion of various acids and alkalis, with strong stability; Fourthly, it is environmentally friendly and non-toxic, belonging to inorganic materials, without irritating odors, and relatively friendly to the environment and human body, suitable for various scenarios such as agriculture and civilian use.