VRX Silica is finalising approvals for its Arrowsmith North quartz sand hub in Western Australia, targeting construction start in 2027. The company has secured offtake for 50% of planned output and sees strong demand as Vietnam restricts exports, supporting higher prices for Australian silica sand.
The Colloidal Silicon Dioxide market in 2025 recorded a mostly soft and stable trend in the major regions. In Asia, the Colloidal Silicon Dioxide market fluctuated with mixed momentum in the first half of 2025, with some supply constraints due to production cuts and higher energy costs, but weak demand from downstream industries such as pharmaceuticals, personal care, and electronics kept the market at a slow pace. The high inventory level and careful buying attitude also prevented a strong rise in prices. In the second half of 2025, the Colloidal Silicon Dioxide market was under pressure because of oversupply and moderate demand, although some improvement in solar and semiconductor related demand helped to support prices at the end of the year.
In the European region, the prices exhibited a downward to stable movement throughout 2025. This could be attributed to the low demand from the industrial sector and the availability of sufficient supply. During this period, the demand for short-term purchasing prevailed, considering the uncertain economy. As far as the North American region is concerned, the market exhibited stable performance with slightly downward pressure. This can be attributed to the balanced supply and demand. During this period, the slowdown in the inventory management prevented the prices from rising.
Analyst Insight
According to Procurement Resource, Colloidal Silicon Dioxide prices are expected to remain stable, with recovery depending on stronger demand from pharmaceutical, electronics, and specialty chemical sectors.
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For the second half of 2024, Colloidal Silicon Dioxide prices generally moved in a soft trend in most regions worldwide. In Asia, prices continued to fall due to oversupply in China and weak downstream demand. Manufacturers were faced with high inventories, while buyers continued with a conservative buying strategy, which resulted in a slow market.
In Europe, prices corrected in H2’24, having increased in previous periods. Demand from the construction and automotive industries slowed, while higher imports from Asia increased supply, which resulted in a soft trend in prices, despite energy prices impacting market stability.
North America recorded a steady and slightly soft trend during this time. Demand from the semiconductor and solar industry remained consistent, thus maintaining a steady rate of consumption. However, as imports started to gain traction in the market due to price competitiveness, prices were not able to appreciate significantly. Domestic production remained steady in this region.
Colloidal silicon dioxide is a fine, amorphous, white powder consisting of highly dispersed silicon dioxide particles suspended in a liquid. Known for its high surface area and small particle size, it exhibits excellent dispersibility and stability. These properties make it an effective anti-caking agent, thickener, and stabilizer. It is widely used in pharmaceuticals to improve powder flow, in food products to prevent clumping, and in cosmetics to enhance texture and stability. Additionally, it finds applications in coatings, adhesives, and sealants, contributing to improved mechanical properties and durability.
SiO2
Pharmaceutical Industry, Food Industry, Cosmetics, Coatings and adhesives
Fuso Chemical, Merck, Nissan Chemical, Dow Chemical Company, Evonik Industries, Sterling Chemicals
CurrencyUS$ (Data can also be provided in local currency)
Supplier Database AvailabilityYes
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The synthesis begins with the preparation of a silicon precursor mixture using sodium silicate and water. This mixture is then reacted with nitric acid that breaks the gel into small particles giving the colloidal silicon dioxide solution.
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