Product Description

Magnesium stearate powder appears as white to off-white lightweight fine powder. It features a smooth, slippery feel without granular impurities and carries a faint fatty smell. The product is hydrophobic and practically insoluble in water. It acts as an effective lubricant to reduce friction during tablet pressing. It serves as anti-caking agent to prevent powder agglomeration and improve powder flowability. It functions as a release agent, helping finished products separate smoothly from moulds. It works as flow aid to maintain consistent bulk density for powder blending. It is used as stabilizer to extend shelf-life of powdered formulations. Widely applied in food, dietary supplement and pharmaceutical industries for powder and tablet formulations. It has good compatibility with most raw powder materials in compound formulas. It can minimize die wear during continuous tableting production. It helps to guarantee uniform weight of each finished tablet.

COA

Test Items	Specification	Test Result
Appearance	White/off-white fine powder, faint fatty odor	Complies
Magnesium Content	4.0–5.0%	4.42%
Loss on Drying	≤5.0%	2.15%
Heavy Metals (Pb)	≤10 ppm	<3 ppm
Arsenic (As)	≤2 ppm	<1 ppm
Particle Size (200 mesh)	≥98% pass	98.6%
Total Aerobic Count	≤1000 CFU/g	210 CFU/g
Yeast & Mold	≤100 CFU/g	<10 CFU/g
E.coli	Negative	Negative
Salmonella	Negative	Negative

Functions and Effects

Magnesium stearate powder works as an effective lubricant to lower friction during tablet pressing. It acts as an anti-caking agent to prevent powder clumping and improve powder flowability. It serves as a release agent to help products detach smoothly from molds. It functions as a flow aid to keep stable bulk density in powder blending. It also acts as a stabilizer to prolong the shelf life of powdered formulations. It shows good compatibility with most raw materials in compound formulas. It reduces mold wear in continuous tableting production. It helps maintain consistent weight for each finished tablet and meets standard requirements for processing auxiliaries. It can reduce static electricity of mixed powder materials during production. It minimizes sticking issues on tablet punches. It supports uniform mixing of multi-component powder blends. It is widely accepted as a safe processing aid in nutritional and food applications. It assists in simplifying powder handling and feeding in automated production lines. It maintains free-flow characteristics even under normal storage conditions.

Application Fields

Magnesium stearate powder is widely used as processing auxiliary in dietary supplement tablet manufacturing. It is commonly applied in pharmaceutical tablet and capsule formulations. It can be added to food products as anti-caking and lubricating additive. It also serves as functional additive in cosmetic powder formulas such as pressed powder. It finds usage in compound mineral premix and powder blend production for animal nutrition. It is suitable for various granulation processes to optimize powder performance. It can be used in plant extract tablet formulations for health products. It helps improve production efficiency for large-scale continuous pressing lines. It is adopted in solid dosage forms of nutraceutical raw materials. It can be used in powder premixes for food fortification projects. It works well in chewy tablet and effervescent tablet production. It is applicable for powder filler inside hard gelatin capsules. It supports stable processing of multi-ingredient solid blends. It is used in laboratory trial formula development for new solid products. It meets auxiliary additive requirements for most solid formulation projects.