Zinc Stearate and Its Application
What is Zinc Stearate?
Zinc Stearate is a type of metallic soap that is created by the reaction of stearic acid and zinc oxide. The resulting compound is a white, fluffy powder that is insoluble in water but soluble in organic solvents. In production, it is mainly used to prevent plastic parts from sticking to the moulds. It is also used in the rubber industry as a processing aid, where it helps to improve the flow of rubber compounds and reduce tackiness.
Although there are many other metallic soaps such as magnesium stearates and calcium stearates, zinc stearate has several advantages over them. For instance, it has better water resistance and is less likely to absorb moisture, making it an ideal choice for products that need to be stored in humid conditions. Additionally, it has a lower melting point and is more easily dispersed in coatings, which makes it easier to work with. Zinc stearate also has better compatibility with other ingredients and is less likely to react with or to them, making it a more stable choice.
What are its applications?
Given its advantageous properties, zinc stearate has a wide range of applications spanning many industries. Let’s look at a few of them briefly in the section below:
Plastics and Rubber Industry:
In this industry, zinc stearate is used as a release agent to prevent materials from sticking to moulds during the manufacturing process. It is also used as a stabilizer to prevent discoloration and degradation of plastic and rubber products.
Paint and Coating Industry:
Zinc Stearate, is one of the most popular paints and coating materials, having multiple productive & efficient functions and properties. In the paints, varnishing & lacquers industry, Zinc Stearate is utilised as a flatting and sanding agent to boost the coating film feel and also to prevent the softening of the film, which is caused by the rise in temperature at the time of mechanical polishing, and to paste or stick the sandpaper or grinding wheel to attain a matting outcome. As a sanding agent, Zinc Stearate fills and improves the forming skills of the coatings of the wood as well as the lacquers. In the generation of floor and wall coatings accompanied with other surface coatings, Zinc Stearate is utilised as an adhesive. In all its coating applications, Zinc Stearate provides smoothness to the coating substance.
Textile Industry:
In this industry, zinc stearate is useful as a lubricant, a water-repellent, and an anti-static agent. It mainly helps in improving the flow of fibres during the spinning process.
Other Applications:
Zinc stearate also finds use in various other applications, including adhesives, sealants and as a mold release agent in the production of ceramics and metal castings.
To conclude, zinc stearate is a versatile material that is used in a variety of industries as a lubricant, emulsifier, stabilizer, and a release agent. The compound is valuable and indispensable to the manufacturing of various products, as with any chemical, it is important to handle and use zinc stearate in accordance with safety guidelines and regulatory requirements to ensure safe and effective utilization.
For More Information or Inquiry，Please contact us:
Ms.June Yan
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Email: sales@csstab.com
Website: www.csstab.com