Jiujiang Deep Sea Technology Development Co., Ltd.

2025 Top 10 500 cst Suppliers in China

Sep 23, 2025

Introduction to 500 cst

500 cst refers to a specific viscosity grade of a fluid, commonly silicone oil in many industrial applications. Viscosity is a measure of a fluid's resistance to flow. A 500 cst silicone oil has a relatively moderate viscosity, which gives it a wide range of uses. It is often used in industries such as cosmetics, lubrication, electrical insulation, and as a component in various chemical formulations. Its properties include good thermal stability, low surface tension, and excellent chemical inertness, making it a popular choice for many manufacturers.


Top 10 Suppliers

1. Jiujiang Deep Sea Technology Development Co., Ltd.

Jiujiang Deep Sea Technology Development Co., Ltd. is a leading player in the silicone industry, especially in the production and supply of 500 cst silicone oil. The company is committed to research and development, aiming to provide high - quality silicone products that meet the diverse needs of different industries.


Features in 500 cst products:


  • High - purity: The 500 cst silicone oil produced by the company has a very high degree of purity. This is achieved through advanced purification processes, which remove impurities and ensure the stability and reliability of the product. In applications such as cosmetics, high - purity silicone oil is crucial as it reduces the risk of skin irritation and other adverse reactions.
  • Consistent viscosity: One of the key features of their 500 cst silicone oil is its consistent viscosity. This consistency is maintained through strict quality control measures during the production process. For industries that rely on precise viscosity for their manufacturing processes, such as the lubrication industry, this feature is highly valued.
  • Good thermal stability: The 500 cst silicone oil can withstand a wide range of temperatures without significant changes in its physical and chemical properties. This makes it suitable for use in high - temperature environments, such as in electrical insulation applications where heat dissipation is a concern.


Company advantages:


  • Advanced technology: The company has invested heavily in research and development, adopting the latest production technologies in the silicone industry. This allows them to produce high - quality 500 cst silicone oil more efficiently and with better performance than many of their competitors.
  • Strong quality control system: From raw material procurement to the final product delivery, every step is strictly monitored. This ensures that the products meet international quality standards and customer requirements.
  • Customer - oriented service: They have a professional customer service team that can provide timely and effective solutions to customers' problems. Whether it is product consultation, order processing, or after - sales service, they strive to provide the best experience for their customers.


Website: https://www.deepseasilicone.com/


2. Bluestar Silicones (China) Co., Ltd.

Bluestar Silicones (China) Co., Ltd. is a well - known subsidiary of the Bluestar Group, which has a long - standing reputation in the chemical industry. The company has a large - scale production base and a comprehensive R & D system.


Features in 500 cst products:


  • Diverse product portfolio: In addition to the standard 500 cst silicone oil, they offer customized 500 cst products with different additives and properties. For example, they can produce 500 cst silicone oil with enhanced anti - oxidation properties for applications in the automotive lubrication industry.
  • Excellent compatibility: Their 500 cst silicone oil has good compatibility with other chemicals and materials. This makes it easier for manufacturers to incorporate it into their existing production processes without having to make major adjustments.
  • Low volatility: The low volatility of their 500 cst silicone oil reduces the loss of the product during use, especially in high - temperature or long - term operation scenarios. This is beneficial for industries such as the aerospace industry, where minimizing material loss is crucial.


Company advantages:


  • Global resources and experience: As part of the Bluestar Group, it can leverage the group's global resources and experience in the chemical industry. This allows them to access the latest technologies and market information, and to expand their business globally.
  • Large - scale production capacity: They have the ability to produce a large quantity of 500 cst silicone oil, which can meet the large - scale procurement needs of large enterprises. This is an important advantage for industries with high - volume demand, such as the consumer goods industry.
  • Research and development strength: The company has a professional R & D team that continuously explores new applications and improvements for 500 cst silicone oil. This helps them to stay ahead of the market and provide more innovative products to their customers.


3. Dow Corning (China) Co., Ltd.

Dow Corning (China) Co., Ltd. is a well - established multinational company with a strong presence in the silicone market in China. It has a long history of innovation and high - quality product manufacturing.


Features in 500 cst products:


  • Superior surface properties: The 500 cst silicone oil produced by Dow Corning has excellent surface properties, such as low friction and high gloss. This makes it suitable for use in industries such as the plastics and coatings industries, where surface quality is important.
  • High - performance additives: They often incorporate high - performance additives into their 500 cst silicone oil to enhance its performance. For example, anti - microbial additives can be added for use in the medical and food packaging industries.
  • Environmental - friendly: The company is committed to environmental protection and produces 500 cst silicone oil that meets strict environmental standards. This is in line with the growing demand for sustainable products in the market.


Company advantages:


  • Brand reputation: Dow Corning is a globally recognized brand, which gives customers confidence in the quality and performance of their products. This brand advantage helps them to attract high - end customers in various industries.
  • Global R & D network: They have a global R & D network that can quickly transfer the latest research results to their production in China. This enables them to continuously improve the quality and performance of their 500 cst silicone oil.
  • Comprehensive technical support: The company provides comprehensive technical support to its customers, including on - site technical guidance, product training, and problem - solving services. This helps customers to better use their products and improve their production efficiency.


4. Shin - Etsu Chemical (China) Co., Ltd.

Shin - Etsu Chemical (China) Co., Ltd. is a subsidiary of the well - known Japanese chemical company Shin - Etsu Chemical. It has a strong technical background and a wide range of product lines.


Features in 500 cst products:


  • High - precision manufacturing: The company uses high - precision manufacturing processes to produce 500 cst silicone oil, ensuring that the product has very accurate viscosity and other physical properties. This is important for industries that require high - precision products, such as the electronics industry.
  • Stable supply: They have a stable supply chain for raw materials, which enables them to provide a continuous supply of 500 cst silicone oil to their customers. This is crucial for industries with high - volume and continuous production needs.
  • Specialty grades: In addition to the general - purpose 500 cst silicone oil, they also offer specialty grades for specific applications. For example, they have a 500 cst silicone oil with high dielectric strength for use in the electrical and electronics industries.


Company advantages:


  • Japanese - style management: The company adopts Japanese - style management, which emphasizes quality control, efficiency, and continuous improvement. This management style has enabled them to produce high - quality products consistently.
  • Extensive product testing: Before the products are released to the market, they undergo extensive testing in their advanced laboratories. This ensures that the products meet the highest quality standards and customer requirements.
  • Industry - leading technology: Shin - Etsu Chemical is known for its industry - leading technology in the silicone field. By leveraging this technology, they can produce 500 cst silicone oil with better performance than many of their competitors.


5. Wacker Chemie (China) Co., Ltd.

Wacker Chemie (China) Co., Ltd. is a subsidiary of the German chemical company Wacker Chemie. It has a long - standing tradition of innovation and high - quality production.


Features in 500 cst products:


  • Good chemical stability: The 500 cst silicone oil produced by Wacker Chemie has excellent chemical stability, which means it can resist the influence of various chemicals and maintain its performance over a long period. This is beneficial for industries such as the chemical processing industry.
  • Custom - made solutions: They can provide custom - made 500 cst silicone oil solutions according to the specific needs of customers. For example, they can adjust the molecular weight and structure of the silicone oil to meet the requirements of different applications.
  • Low odor: The low - odor feature of their 500 cst silicone oil makes it more suitable for use in applications where odor is a concern, such as in the cosmetics and household products industries.


Company advantages:


  • German engineering quality: The company inherits the German tradition of engineering quality, which is known for its precision, reliability, and durability. This is reflected in the high - quality 500 cst silicone oil they produce.
  • Strong R & D capabilities: Wacker Chemie has a strong R & D team that is constantly exploring new technologies and applications for 500 cst silicone oil. This allows them to stay at the forefront of the market and provide more advanced products to their customers.
  • International cooperation experience: As a subsidiary of an international company, it has rich international cooperation experience. This enables them to introduce the latest international standards and technologies into their production in China.


6. Momentive Performance Materials (China) Co., Ltd.

Momentive Performance Materials (China) Co., Ltd. is a global leader in specialty materials, including silicone products. It has a wide range of product applications in different industries.


Features in 500 cst products:


  • Enhanced performance in extreme conditions: Their 500 cst silicone oil can perform well in extreme conditions, such as high - pressure and low - temperature environments. This makes it suitable for use in industries such as the oil and gas exploration industry.
  • Versatile applications: The 500 cst silicone oil can be used in a wide variety of applications, from industrial lubrication to consumer products. This versatility is due to its unique chemical and physical properties.
  • Continuous product improvement: The company is constantly improving its 500 cst silicone oil products based on customer feedback and market trends. This ensures that their products remain competitive in the market.


Company advantages:


  • Global brand influence: Momentive is a globally recognized brand, which gives it an advantage in the market. Customers are more likely to trust the quality and performance of its 500 cst silicone oil products.
  • Integrated production system: They have an integrated production system that covers raw material production, product manufacturing, and quality control. This allows them to have better control over the entire production process and ensure the quality of their products.
  • Market - oriented innovation: The company focuses on market - oriented innovation, which means they develop new products and improve existing ones based on market demand. This helps them to better meet the needs of their customers.


7. Zhejiang Wynca Chemical Industry Group Co., Ltd.

Zhejiang Wynca Chemical Industry Group Co., Ltd. is a large - scale chemical enterprise in China with a wide range of chemical product lines, including silicone products.


Features in 500 cst products:


  • Cost - effective: The company can produce 500 cst silicone oil at a relatively low cost while maintaining good quality. This makes it an attractive choice for price - sensitive customers, especially in emerging industries.
  • Local supply advantage: As a domestic company, it has a better understanding of the local market and can provide more timely supply and after - sales service. This is beneficial for domestic customers who need quick response and support.
  • Rapid product development: They have a relatively fast product development cycle, which allows them to quickly introduce new 500 cst silicone oil products to the market according to market changes.


Company advantages:


  • Large - scale production base: The company has a large - scale production base, which enables it to produce a large quantity of 500 cst silicone oil to meet the market demand.
  • Comprehensive product portfolio: In addition to 500 cst silicone oil, they also offer a variety of other silicone - related products, which can provide customers with one - stop shopping services.
  • Strong local support network: They have a strong local support network, including sales offices, warehouses, and technical service centers, which can provide customers with more convenient services.


8. Guangzhou Hongyun Chemical Co., Ltd.

Guangzhou Hongyun Chemical Co., Ltd. is a local chemical company in Guangzhou, focusing on the production and supply of silicone products.


Features in 500 cst products:


  • Good local adaptation: The company's 500 cst silicone oil products are well - adapted to the local market environment and customer needs. For example, they can adjust the product properties according to the specific requirements of local industries, such as the textile and leather industries in Guangzhou.
  • Flexible order processing: They can handle small - batch and customized orders flexibly. This is suitable for small and medium - sized enterprises that have specific and small - scale production needs.
  • Good after - sales service: The company provides good after - sales service, including product replacement, technical support, and problem - solving. This helps to build long - term relationships with customers.


Company advantages:


  • Local market insight: With a deep understanding of the local market, they can better meet the needs of local customers and provide more targeted products and services.
  • Low - cost operation: Their relatively low - cost operation model allows them to offer competitive prices for their 500 cst silicone oil products.
  • Quick response mechanism: They have a quick response mechanism to customer inquiries and orders, which can improve customer satisfaction.


9. Shandong Dongyue Silicone Material Co., Ltd.

Shandong Dongyue Silicone Material Co., Ltd. is a leading silicone material manufacturer in Shandong Province, China. It has a strong production capacity and a good reputation in the industry.


Features in 500 cst products:


  • High - quality raw materials: The company uses high - quality raw materials to produce 500 cst silicone oil, which ensures the high quality of the final product. This is important for industries that require high - purity and high - performance silicone oil.
  • Efficient production process: They have an efficient production process that can produce 500 cst silicone oil with high productivity. This allows them to meet the large - scale market demand in a timely manner.
  • Product standardization: The company adheres to strict product standardization, which means that the 500 cst silicone oil products have consistent quality and performance. This is beneficial for customers who need to ensure the stability of their production processes.


Company advantages:


  • Rich industry experience: With many years of experience in the silicone industry, they have accumulated rich production and management experience, which enables them to produce high - quality 500 cst silicone oil products.
  • Strong R & D investment: They invest a large amount of funds in R & D every year to improve the quality and performance of their products. This helps them to stay competitive in the market.
  • Good industry reputation: The company has a good reputation in the industry, which is based on its high - quality products and reliable services. This makes it easier for them to attract new customers and maintain long - term relationships with existing customers.


10. Jiangsu Meilan Chemical Co., Ltd.

Jiangsu Meilan Chemical Co., Ltd. is a well - known chemical company in Jiangsu Province, with a focus on the production of silicone and other chemical products.


Features in 500 cst products:


  • Product innovation: The company is committed to product innovation and has developed some unique 500 cst silicone oil products. For example, they have a 500 cst silicone oil with self - cleaning properties, which is suitable for use in some special applications.
  • Good safety performance: Their 500 cst silicone oil products have good safety performance, which is in line with relevant safety standards. This is important for industries such as the food and beverage packaging industry, where safety is a top priority.
  • Technical support for application development: They provide technical support for customers' application development, which helps customers to better use their 500 cst silicone oil products in different applications.


Company advantages:


  • Local policy support: As a local enterprise in Jiangsu Province, it can enjoy some local policy support, which is beneficial for its development and expansion.
  • Industry - university - research cooperation: The company has established cooperation with universities and research institutions, which allows it to access the latest scientific research results and improve its R & D capabilities.
  • Comprehensive service system: They have a comprehensive service system that covers product sales, technical support, and after - sales service. This provides customers with a one - stop service experience.


Conclusion

The top 10 500 cst suppliers in China, as mentioned above, each have their own unique features and advantages. Some companies, like Jiujiang Deep Sea Technology Development Co., Ltd., focus on high - quality and high - performance products through advanced technology and strict quality control. Multinational companies such as Dow Corning and Shin - Etsu Chemical bring in global resources and advanced management experience. Domestic companies like Zhejiang Wynca Chemical Industry Group Co., Ltd. and Shandong Dongyue Silicone Material Co., Ltd. have the advantages of cost - effectiveness and local market adaptation.


In the future, with the continuous development of industries such as cosmetics, lubrication, and electronics, the demand for 500 cst silicone oil will continue to grow. These suppliers need to continuously innovate, improve product quality, and provide better services to meet the changing market needs. At the same time, they also need to pay attention to environmental protection and sustainable development to achieve long - term and stable development in the market.


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