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Silica/Silicon Dioxide Food grade

Application: Food-grade Silica (SiO₂) is a safe and compliant food additive (China GB 2760 code 02.002, international code E551), produced through precipitation process technology that strictly complies with GB 25576-2020, USP, and FCC standards. Our Food-grade Anti-caking Silica is based on a high-purity foundation exceeding 96%, achieving outstanding anti-caking, flow aid, and adsorption properties through molecular-level processing

CAS.NO.: 7631-86-9

Mesh Size: 2-50μm (customizable)

HS CODE: 2811229000

Standard: GB 25576, USP, FCC, FDA

Healthchem Biotech is a professional supplier of Food-grade Silica (SiO₂), ex from reliable source, which can make sure competitive price, feel free to contact us if you need Food-grade Silica (SiO₂), Silicon Dioxide

Application Description

The anti-caking agent silica of Zhongqi achieves three core functions through microstructure design:

1.Anti-caking: Add 0.1%-2% in salt, sugar powder and other powder products to completely solve the problem of hard lumps formed in product storage and keep the product loose;

2.Liquidity optimization: significantly reduce the friction between powders, so that the weight error of milk powder, cocoa powder and so on in the filling process is controlled within ±2%;

3.Dispersed uniformity: help the trace additive to be evenly distributed in the food base material, avoiding high local concentration.

4.This additive is widely used in solid beverages, flavorings and spices (such as salt and chicken bouillon), dairy products (including milk powder and whey protein), baking ingredients (like flour and premixes), cocoa-based products (such as fats, powders, pastes, sauces, and fillings), vegetable fat substitutes, dehydrated egg products (e.g., egg white powder, egg yolk powder, and egg white flakes), other sweeteners (specifically sugar powder), other dairy products (including milk tablets, modified milk powder, whey powder, and egg white powder, with compliance to GB 2760 standards), and creamer powder and its derivatives. The dosage for different categories strictly follows international standards.


Parameter detailed information
product name Food additive silica
surface White fluffy powder
Particle size range 2-50μm (customizable)
Silica content ≥96%
pH price 6.0-8.0 (10% suspension)
loss on drying ≤8.0%(105℃/2h)
Typical dosage 0.1%-2% (The same food category shall comply with the corresponding limit in GB 2760)
Anti-clotting period 24 months
meet a criterion GB 25576, USP, FCC, FDA
pack 10 / 15 / 20kg woven bag
date of delivery 5-10 days
sample free-issue
productive power Ten thousand ton/year intelligent production line


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