Magnesium Stearate is a metallic soap produced by the reaction of stearic acid with magnesium compounds. It is identified by the chemical formula Mg(C₁₈H₃₅O₂)₂. This material appears as a white, lightweight, odorless powder with hydrophobic properties and is insoluble in water, alcohol, and most common solvents. Its stability, broad compatibility with various materials, and consistent performance have made it a widely used additive across many industries.

Magnesium Stearate acts as a lubricant and release agent, reducing friction between particles and metal processing equipment. This improves material flow, enhances processability, reduces sticking, and helps achieve a more uniform final product. Its water-repellent nature also helps reduce moisture absorption and improve formulation stability.

In the plastics and polymer industry, Magnesium Stearate is used as both an internal and external lubricant in the processing of PVC, polystyrene (PS), expandable polystyrene (EPS), ABS, and other thermoplastics. It improves melt flow, reduces friction, enhances processing efficiency, and contributes to better surface quality. In some PVC formulations, it is also used alongside other stabilizers and metallic soaps to improve overall processing stability.

In the construction industry, Magnesium Stearate is used as a water-repellent additive in cement, gypsum, dry mortars, and other building materials, helping to reduce water absorption and improve durability. In the pharmaceutical industry, it is one of the most widely used tablet and capsule lubricants, preventing ingredients from sticking to manufacturing equipment and improving product consistency. In cosmetics and personal care products, it is used in powders, creams, and skincare formulations to improve texture, softness, flowability, and product uniformity.

Magnesium Stearate is also used in paints, coatings, rubber compounds, adhesives, and industrial lubricants, where it helps improve processing performance, stability, and product quality. Due to its excellent compatibility and reliable performance, it has become an important additive in the plastics, pharmaceutical, cosmetic, construction, and chemical industries.

FEATURES