{"id":1875,"date":"2026-10-10T21:28:14","date_gmt":"2026-10-10T18:28:14","guid":{"rendered":"https:\/\/polivin.com.tr\/zinc-stearate\/"},"modified":"2026-10-13T18:35:25","modified_gmt":"2026-10-13T15:35:25","slug":"zinc-stearate","status":"publish","type":"post","link":"https:\/\/polivin.com.tr\/en\/zinc-stearate\/","title":{"rendered":"Zinc Stearate"},"content":{"rendered":"\t\t
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Zinc Stearate <\/h1>\t\t\t\t<\/div>\n\t\t\t\t
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Zinc Stearate, Zinc Octadecanoate<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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What Is Zinc Stearate?<\/strong><\/h2>

Zinc Stearate is a white, fine-powdered metallic soap that is the zinc salt of stearic acid. With the chemical formula Zn(C\u2081\u2088H\u2083\u2085O\u2082)\u2082, this compound is an important chemical additive used in many industrial applications due to its water-repellent, lubricating, mold-release, and surface-modifying properties.<\/p>

Zinc stearate is a compound that is insoluble in water and exhibits hydrophobic properties. Thanks to its fine-particle structure, it can easily disperse on the surfaces of various materials. It is particularly preferred in plastic and rubber production to reduce friction, facilitate mold release, and increase the efficiency of production processes.<\/p>

In the paint and coatings industry, it is used to improve surface smoothness, enhance sandability, and support coating performance. In construction chemicals, it helps impart water-repellent properties, while in cosmetic products, it serves as an ingredient that regulates consistency, texture, and application characteristics.<\/p>

The amount of zinc stearate used and its suitability vary depending on the formulation of the product being manufactured and the application conditions.<\/p>

Properties of Zinc Stearate<\/strong><\/h2>
Feature<\/th>Value \/ Description<\/th><\/tr>
Physical State<\/td>White, fine powder<\/td><\/tr>
Chemical Formula<\/td>Zn(C\u2081\u2088H\u2083\u2085O\u2082)\u2082<\/td><\/tr>
Molecular Weight<\/td>632.33 g\/mol<\/td><\/tr>
CAS Number<\/td>557-05-1<\/td><\/tr>
Chemical Class<\/td>Metallic soap \/ Fatty acid metal salt<\/td><\/tr>
Appearance<\/td>White or nearly white powder<\/td><\/tr>
Odor<\/td>Mildly characteristic odor or odorless<\/td><\/tr>
Solubility in Water<\/td>Practically insoluble<\/td><\/tr>
Water Repellency<\/td>Hydrophobic Structure<\/td><\/tr>
Main Functions<\/td>Lubricant, mold release agent, water repellent, surface conditioner<\/td><\/tr>
Packaging Type<\/td>Bag (supply packaging must be confirmed)<\/td><\/tr><\/tbody><\/table><\/div>

Note:<\/strong> Physical properties, particle size, and technical performance may vary depending on product quality. Refer to the manufacturer\u2019s technical data sheet (TDS) for exact values.<\/p>

In Which Industries Is Zinc Stearate Used?<\/strong><\/h2>

Zinc stearate is a versatile chemical raw material used in many different industries due to its lubricating, mold-release, water-repellent, and surface-modifying properties. It is particularly preferred for various applications in the plastics and rubber, paints and coatings, construction chemicals, and cosmetics and detergents sectors.<\/p>

  • Plastics Industry:<\/strong> Zinc stearate is used as a lubricant and mold release agent in plastics production. It helps reduce friction during polymer processing, prevents the material from sticking to production equipment, and facilitates easier release from the mold. It can be used in the processing of PVC and various thermoplastic materials. In some PVC formulations, it can also serve as a component of the stabilization system alongside other metal soaps.<\/li>
  • Rubber Industry:<\/strong> It is used as a processing aid, lubricant, and mold release agent in the production of rubber compounds. It facilitates the processing of rubber materials, reduces sticking during production, and aids in the removal of molded products from the mold. It can also contribute to improving the processing properties of rubber compounds.<\/li>
  • Paint and Coatings Industry:<\/strong> Zinc stearate is used in paint, varnish, and coating formulations to modify surface properties. In wood coatings, in particular, it helps improve sandability, enhance surface smoothness, and facilitate the processing of the coating. It may also be preferred in some coating systems to provide a matte finish and surface slip.<\/li>
  • Construction Chemicals Industry:<\/strong> Zinc stearate can be used as a water-repellent additive in cement-based and other construction materials. Thanks to its hydrophobic nature, it helps reduce water absorption in appropriate formulations. It can also be used in certain dry mortar and construction chemical mixtures to improve the workability and flow properties of powders.<\/li>
  • Cosmetics Industry:<\/strong> Zinc stearate is used in powders, foundations, makeup products, and various cosmetic formulations. It helps products spread more easily on the skin, adhere to the surface, and achieve a smooth texture. It can also help reduce caking in powder formulations and improve the product\u2019s application properties. Products meeting the appropriate purity and quality standards should be used in cosmetic applications.<\/li>
  • Detergent and Cleaning Products Industry:<\/strong> Zinc stearate can be considered as a processing aid or water-repellent additive in certain solid cleaning products and specialized formulations. However, because it is insoluble in water, it is not a common surfactant in general-purpose liquid detergents. Its use depends on the product\u2019s formulation and the targeted technical properties.<\/li><\/ul>

    Zinc stearate is an additive that facilitates production processes in various industries and improves the physical properties of final products. The type of zinc stearate to be used, as well as its particle size, purity level, and dosage, should be determined based on the technical requirements of the application.<\/p>

    How Is Zinc Stearate Produced?<\/strong><\/h2>

    Zinc stearate is a metallic soap obtained by reacting stearic acid with suitable zinc compounds. The primary methods used in industrial production are the direct reaction (fusion) method and the precipitation method.<\/p>

    The production method is selected based on the target product\u2019s purity, particle size, physical properties, and intended application.<\/p>

    1. Raw Material Preparation:<\/strong> In the production of zinc stearate, zinc-containing raw materials such as stearic acid and zinc oxide are used. In the precipitation method, water-soluble stearate salts, such as sodium stearate, and suitable zinc salts may be preferred. The purity and composition of the raw materials directly affect the quality of the resulting zinc stearate.<\/p>

    2. Reaction Process:<\/strong> In the direct production method, stearic acid is reacted with zinc oxide under controlled temperature conditions. This reaction produces zinc stearate and water. To ensure the reaction is completed, temperature, mixing time, and raw material ratios are kept under control.<\/p>

    3. Precipitation Method:<\/strong> In the alternative production method, a soluble stearate salt, such as sodium stearate, is reacted with a suitable zinc salt in an aqueous medium. As a result of this process, water-insoluble zinc stearate forms as a precipitate. The precipitation method can be used particularly for obtaining products with a fine particle structure.<\/p>

    4. Separation and Filtration:<\/strong> The zinc stearate obtained via the precipitation method is separated from the reaction medium through filtration or similar separation processes. The purpose of this stage is to remove any soluble salts and other impurities that may be present in the product. Washing processes are applied when necessary.<\/p>

    5. Drying:<\/strong> The resulting zinc stearate is dried under controlled temperature conditions to remove moisture. The drying process is important for preserving the product\u2019s storage stability and its physical properties in powder form.<\/p>

    6. Grinding and Classification:<\/strong> Dried zinc stearate may undergo grinding and classification processes to achieve the particle size appropriate for its intended application. Particle size is one of the key parameters affecting the product\u2019s dispersion, lubrication, and mold release performance.<\/p>

    7. Quality Control:<\/strong> After production is complete, the zinc stearate is tested for purity, moisture content, free fatty acid content, particle size, and other technical properties. These analyses are conducted to evaluate the product\u2019s suitability for its intended industrial applications.<\/p>

    8. Packaging and Storage:<\/strong> Zinc stearate that has passed quality control is packaged in appropriate containers to protect it from moisture and external environmental conditions. The product is stored under dry and suitable conditions, making it ready for industrial use.<\/p>

    In conclusion, the production of zinc stearate is based on reacting stearic acid with zinc compounds and subjecting the resulting product to appropriate physical processing. The production method and process conditions ensure that zinc stearate possesses the technical properties required by various industries.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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    Zinc Stearate Zinc Stearate, Zinc Octadecanoate What Is Zinc Stearate? Zinc Stearate is a white, fine-powdered metallic soap that is the zinc salt of stearic acid. With the chemical formula Zn(C\u2081\u2088H\u2083\u2085O\u2082)\u2082, this compound is an important chemical additive used in many industrial applications due to its water-repellent, lubricating, mold-release, and surface-modifying properties. Zinc stearate is […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37,46,40,43],"tags":[],"class_list":["post-1875","post","type-post","status-publish","format-standard","hentry","category-construction-chemicals","category-cosmetics-detergent","category-paint-chemicals","category-plastic-rubber"],"_links":{"self":[{"href":"https:\/\/polivin.com.tr\/en\/wp-json\/wp\/v2\/posts\/1875","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/polivin.com.tr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/polivin.com.tr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/polivin.com.tr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/polivin.com.tr\/en\/wp-json\/wp\/v2\/comments?post=1875"}],"version-history":[{"count":3,"href":"https:\/\/polivin.com.tr\/en\/wp-json\/wp\/v2\/posts\/1875\/revisions"}],"predecessor-version":[{"id":1878,"href":"https:\/\/polivin.com.tr\/en\/wp-json\/wp\/v2\/posts\/1875\/revisions\/1878"}],"wp:attachment":[{"href":"https:\/\/polivin.com.tr\/en\/wp-json\/wp\/v2\/media?parent=1875"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/polivin.com.tr\/en\/wp-json\/wp\/v2\/categories?post=1875"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/polivin.com.tr\/en\/wp-json\/wp\/v2\/tags?post=1875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}