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Dongguan Hanwei Technology Co., Ltd. is a high-tech enterprise integrating R&D, production and sales. Its products are mainly used in petrochemical, rubber and plastics, coatings, papermaking and other fields. The main products are zinc stearate , calcium stearate , magnesium stearate , other fatty acid salts, fatty acid esters, water-based zinc stearate, water-based calcium stearate, wood-plastic lubricants, PE wax, wax emulsion and Various rubber additives, etc.
Advantages of Calcium Stearate
The use of calcium stearate offers several advantages. Firstly, it improves the processing properties of materials by reducing friction and enhancing flowability. This results in better production efficiency and reduced equipment wear. Secondly, calcium stearate acts as a mold release agent, facilitating easy demolding and preventing surface defects. Additionally, it provides stabilization to materials, protecting them from heat degradation and improving their durability. Moreover, calcium stearate acts as an effective anti-caking agent, ensuring the free-flowing and accurate dosing of powdered substances.
Process Flow of Calcium Stearate Production
The production process of calcium stearate involves several steps. It typically begins with the neutralization reaction between stearic acid and calcium hydroxide, resulting in the formation of calcium stearate and water. This reaction takes place in a reactor under controlled conditions of temperature and agitation. The resulting mixture is then subjected to filtration or centrifugation to separate the solid calcium stearate from the liquid phase. The obtained calcium stearate is then washed and dried to remove impurities and residual water. After drying, the product is typically pulverized or granulated to achieve the desired particle size and flow properties.
Types of Calcium Stearate
Calcium stearate is available in different forms to suit specific applications. These include powdered calcium stearate, granular calcium stearate, and water-based calcium stearate. Powdered calcium stearate is widely used as an additive in various powdered products, while granular calcium stearate offers better flowability and handling characteristics. Water-based calcium stearate, on the other hand, provides a sustainable and eco-friendly option for certain applications, as it is free from organic solvents.
Importance of Calcium Stearate
Calcium stearate holds significant importance in the manufacturing and processing of various materials and products. Its lubricating and release properties improve production efficiency, enhance product quality, and reduce operational costs. The stabilizing function of calcium stearate ensures the long-term performance and durability of materials, particularly in high-temperature applications. Additionally, its anti-caking properties enable accurate dosing and improve the shelf life of powdered substances. Overall, calcium stearate plays a crucial role in optimizing the performance, functionality, and appearance of a wide range of products.
Frequently Asked Question
Do you have any question?
Calcium stearate is considered safe for use in food products and is approved by regulatory authorities such as the U.S. Food and Drug Administration (FDA) as a food additive. It is commonly used as an anticaking agent, emulsifier, and stabilizer in various food applications.
Yes, calcium stearate is widely used in the pharmaceutical industry. It is commonly employed as a lubricant and flow agent in tablet and capsule formulations. Calcium stearate helps improve the flowability of powders, aids in tablet compression, and prevents sticking during manufacturing processes. It is generally recognized as safe for pharmaceutical use when used within recommended limits.
Calcium stearate is commonly used as a processing aid in plastics manufacturing. It acts as a lubricant and internal/external release agent, helping to reduce friction and improve the flow properties of plastic materials during processing. It facilitates mold release, reduces sticking, and enhances the surface finish of molded plastic products.
Calcium stearate itself is not considered harmful to the environment. It is biodegradable and does not persist in the environment.