Vietnam is cutting silica sand exports due to diminishing reserves and government restrictions, alarming buyers in Southeast Asia. VRX Silica reports robust offtake demand from customers seeking reliable alternatives, but its Arrowsmith North mine is still months from construction. Near-term supply shortage is expected to push prices upward.
Potassium Silicate is an inorganic salt produced by fusing silica sand with potassium carbonate, used in agriculture as a foliar fertiliser and soil conditioner, in water treatment as a corrosion inhibitor, in construction as a binder and fire retardant coating, and in welding electrodes, detergents, and glass. Its price path tracks feedstock availability, energy costs at production sites, and the seasonal rhythm of end use sectors.
Through H1 2026, values remained largely range bound, extending the stable tone set in late 2025. In Asia, which hosts most global capacity, supply was comfortable as silica sand and potassium carbonate stayed readily available. Agricultural buying followed its customary seasonal cadence, providing baseline support without lifting prices sharply. In Europe, import dependence kept values firm relative to producing regions, yet cautious purchasing from industrial and construction end users limited upside. In North America, modest domestic output was supplemented by steady imports, with buyers holding lean inventories and preferring prompt procurement. Energy costs avoided disruptive swings and logistics stabilised, supporting consistent output and predictable delivered pricing. Subdued construction and coatings demand in some markets was partly offset by firm agricultural offtake tied to soil remediation and crop nutrition programmes.
Analyst Insight
According to Procurement Resource, Potassium Silicate prices should stay broadly stable through H2 2026, with agricultural demand seasonality and feedstock costs driving any modest movement.
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Asia
In Asia, the Potassium Silicate market maintained its stability in terms of price during Q4’25. The demand for Potassium Silicate from the agricultural sector and other industries such as water treatment and special coatings continued to be steady. The buyers were cautious, and bought only what they needed immediately, keeping the market active but preventing a sudden surge in prices. The supply of Potassium Silicate also benefited from the steady availability of silica sand and other raw materials, which were utilized efficiently, keeping the market steady in terms of price during this period. Although some industries such as the glass and chemical industries showed moderate activity, the demand for Potassium Silicate did not surge much during this period.
Europe
In Europe, the market for Potassium Silicate remained stable. Demand was met by imports from the principal countries of production, while the low level of local supply did not allow for downward pressure on the price. However, the various uses of the product, especially in the industrial, agricultural, and building industries, helped to ensure stable demand, although buyers remained cautious and did not overorder. Supply was not disrupted, and the availability of materials such as silica sand and potassium was not affected. Small variations in energy and transportation costs did not affect the stability of the price.
North America
Potassium Silicate prices in North America were relatively flat in the recent period, with some weakness in the later part of Q4’25. Domestic supply was low, while imports helped maintain the balance. The seasonal slowdown in demand from the industrial and construction sectors meant that end-users preferred to buy in the short term to avoid inventory build-up. The raw material side, including silica sand, was relatively stable in terms of supply, hence no sharp price movements were noted.
Potassium silicate is commercially obtained from the combination of potassium oxide and silicon dioxide. It is also known as water glass and finds applications in various industrial applications owing to its adhesive and binding properties. In the welding electrodes sector, it is used as a binder, and in several other industries it is employed as a fireproofing agent, an additive in cement and concrete and as a protective coater for surfaces.
K2SiO3
Welding and metal treatment, Adhesive and binder, Soil stabilizer, Corrosion protector, Textile and fabric treatment, Fireproofing and heat resistance
Occidental Chemical Corporation, Nippon Chemical Industrial Co., Ltd., Alfa Aesar, Nutri Tech Solutions, Nanjing Vital Chemical Co Ltd
CurrencyUS$ (Data can also be provided in local currency)
Supplier Database AvailabilityYes
Customization ScopeThe report can be customized as per the requirements of the customer
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Note: Our supplier search experts can assist your procurement teams in compiling and validating a list of suppliers indicating they have products, services, and capabilities that meet your company's needs.
In calcination, the salt of potassium carbonate and silica sand are heated at approximately 593.32°C under high pressure conditions to give potassium silicate.
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