Guangzhou ZIO Chemical Co., Ltd. is one of the leading manufacturers and suppliers of magnesium stearate powder in China. Welcome to buy bulk high quality chemicals in stock here from our factory. For price consultation, contact us.
Magnesium stearate is a white, fine, and slippery powder that is insoluble in water, ethanol, and ether. When exposed to acid, it decomposes into stearic acid and the corresponding magnesium salts. It is globally recognized as a safe and versatile excipient. Its core functions are as a lubricant and anti-caking agent, which can significantly improve the flowability of powders, prevent material adhesion and caking.
Application:
I. Pharmaceutical Industry
This is the most important and classic application of magnesium stearate. It is almost an indispensable excipient in the production of tablets and capsules.
Lubricants for tablets and capsules: During the process of tablet pressing or capsule filling, a small amount (usually 0.25% - 5.0%) of magnesium stearate can be added. This effectively prevents the powder from adhering to the punch or mold, ensuring smooth and complete tablet formation, and improving the fluidity of the particles.
Dispersants and flow improvers for solid preparations: They assist in enabling well-formed pills to smoothly exit the mold, and are one of the most commonly used flow improvers in the pharmaceutical industry.
II. Food Industry
In the food industry, magnesium stearate is mainly used as an anti-caking agent.
Prevent powder from caking: When added to powdered foods such as milk powder, protein powder, cocoa powder, and meal replacement powder, it can effectively prevent particles from sticking together and caking, maintaining the product in a loose and easily flowable state.
The specified uses in GB 2760: It is permitted to use it in cocoa products, chocolate, candies, and preserved fruits and dried fruits as needed for production, to exert anti-foaming and emulsifying effects.
III. Cosmetics and Personal Care Products
Due to its smooth and fine texture as well as its anti-tingling properties, it is widely used in cosmetics.
Anticaking agents and fillers for powder products: These are commonly used in products such as loose powder, eyeshadow, and blush to prevent powder from clumping and to make the powder texture finer, easier to spread evenly on the skin, and enhance adhesion.
Emulsifying stabilizers for cream and lotion: Assist in the mixing of oil and water phases, enhancing the stability of the product.
IV. Plastic and Rubber Industry
In the plastic processing, it mainly functions as a lubricant and stabilizer.
Heat stabilizers and lubricants: They can serve as both heat stabilizers and lubricants for plastics such as polyvinyl chloride (PVC) and ABS resin, preventing degradation during the processing and improving the surface smoothness of the products. They are often used in combination with calcium soaps and zinc soaps for non-toxic products.
Demolding agent: During the molding process of plastic and rubber products, it is used as a demolding agent to facilitate the separation of the products from the molds.
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