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2026
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04
Application and Value of Food-Grade Silica in the Dairy Industry
The dairy industry is a core application field for food-grade silicon dioxide.
The dairy industry is a core application field for food-grade silicon dioxide. Its anti-caking and flow-assisting functions perfectly solve the industry pain point of moisture absorption and caking of milk powder, protein powder and other products, making it a key raw material for ensuring dairy product quality.
In milk powder production, the addition of only 0.1%-1% food-grade silicon dioxide can increase the product's looseness by more than 30% and greatly improve fluidity, facilitating packaging, transportation and consumer reconstitution. For infant formula in particular, which has extremely high requirements for raw material safety and must meet the strict standard of heavy metal content below 0.001% by mass, the high-purity silicon dioxide products from Zhongqi and Shandong Zhonglian, with a purity of ≥99.5%, fully comply with the raw material requirements for infant food. They have also gradually replaced imported products and become the mainstream in the market.
In addition to anti-caking, its porous structure can adsorb free moisture in milk powder, inhibit microbial growth, extend product shelf life, and will not affect the nutritional content and flavor of dairy products. With the rise of plant-based dairy products, fumed silica can also effectively prevent protein precipitation in soy milk and oat milk, ensuring uniform taste and appearance of products, and accompanying the dairy industry toward diversified and high-quality development.
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