Product Description

Calcium silicate powder is an odorless, white to grayish white free-flowing fine amorphous powder. It is insoluble in water and features strong adsorption capacity for oil and moisture. This material can maintain good flowability even after absorbing liquids. Widely applied in food, cosmetic and coating industries, it acts as anticaking agent, absorbent and functional filler. It also serves as filter aid in industrial separation and stabilizes the physical properties of powder formulations. It has a porous microstructure that supports excellent liquid holding capability without forming lumps. It helps reduce bulk density and improves the dispersibility of powder mixtures during mixing. It is chemically inert and will not react with most raw materials in food and cosmetic formulas. It complies with common food additive specifications for anti-caking applications. It can effectively extend the shelf life of powdered goods by locking up free moisture. It offers consistent particle size distribution for stable performance in batch production.

COA

Test Items	Specification	Test Result
Appearance	White to grayish white, odorless free-flowing fine amorphous powder	Complies
Loss on drying	≤10.0%	6.2%
Ignition residue	70.0%~85.0%	78.5%
pH (5% aqueous suspension)	8.0~11.0	9.3
Heavy metals (as Pb)	≤0.001%	<0.0005%
Arsenic (As)	≤0.0003%	<0.0001%
Bulk density	0.10~0.30 g/ml	0.18 g/ml
Sieve residue (45μm)	≤5.0%	2.1%
Solubility	Insoluble in water	Complies

Functions and Effects

Calcium silicate powder acts as an efficient anticaking agent to avoid powder agglomeration in powder formulations. It possesses strong adsorption capacity for oil and moisture, which helps lock free moisture and extend the shelf life of powdered products. It serves as a functional filler to adjust bulk density and improve the dispersibility of raw materials during mixing processes. With chemically inert properties, it can maintain stable performance and will not react with most ingredients in food and cosmetic systems. It can also be applied as filter aid for solid-liquid separation in industrial production, and effectively stabilizes the physical properties of various powder finished goods. Its porous structure endows it with superior liquid holding ability without generating hard lumps in the mixture. It can reduce the shrinkage rate of coatings and enhance the surface texture of final coated products. It helps to keep the free-flow property of nutritional supplement powders under long-term storage. It can reduce product weight while retaining the original formula functions. It works well in multi-component powder blends and brings consistent processing performance in mass production.

Application Fields

Calcium silicate powder is widely used in food industry as an anticaking agent for powdered seasonings, dairy powder and nutritional supplements to prevent caking during storage. It is commonly incorporated into cosmetic formulations such as loose powder and cream products as an absorbent and texturizing filler. In coating and paint industries, it functions as a functional additive to improve surface texture and reduce material shrinkage. It can serve as filter aid to achieve efficient solid-liquid separation in various industrial production processes. It is also applied in building materials to enhance thermal insulation performance of lightweight boards. Besides, it can be added into animal feed to absorb excess moisture and maintain good flow property of feed powder. It can be used in pesticide powder formulations to improve the dispersion of active ingredients. It finds application in rubber industry as a reinforcing filler to boost the physical strength of rubber products. It is also used in battery raw material processing for moisture adsorption and powder flow improvement.