Murray Flame Retardant fills domestic gaps

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The Beijing Institute of Technology's appraisal committee, along with the Secretary-General of the China Flame Retardant Association, Zhou Zhengyi, recently evaluated the pilot project for brominated polycarbonate (PC) flame retardants developed independently by Shandong Murray Chemical Co., Ltd. The committee concluded that the tested products meet or exceed the technical standards of similar foreign products. The flame-retardant performance is outstanding, and the heat stability is excellent. This product represents a new generation of high-efficiency, environmentally friendly flame retardants, filling a critical gap in the domestic market. Murray has been one of the earliest companies in China to produce brominated flame retardants. Currently, its tetrabromobisphenol A (TBBPA) is among the highest quality in the country. The company is well-equipped with advanced development, analysis, and testing facilities, as well as a wide range of pilot and small-scale testing equipment. In addition to its strong infrastructure, Murray is recognized as a high-tech enterprise in Shandong Province, with a dedicated technology center and a team of experienced R&D professionals. To address the growing demand for high-quality flame retardants, Murray has focused on developing new, efficient, and eco-friendly brominated PC flame retardants. Since 2006, the company has independently developed bromine PC synthesis technology. During small-scale trials, the product quality was found to be comparable to, if not better than, imported alternatives from leading international brands. The company introduced a novel catalyst during the pilot phase and optimized several production processes, significantly enhancing product quality. As a result, the product now has the capability to replace imported alternatives in key markets such as Europe and the United States, marking a major milestone for domestic chemical innovation.

Other Series Of Plate Heat Exchangers

Plate Heat Exchangers (PHEs) are highly efficient devices used for heat transfer between two fluids. The U Series of plate heat exchangers is a specific design known for its compactness, flexibility, and high thermal efficiency. Below is a detailed classification and introduction to the U Series Plate Heat Exchangers:

1. Based on Design Features

  • Gasketed Plate Heat Exchangers:

    • Uses gaskets to seal plates and create flow channels.

    • Easy to disassemble for cleaning and maintenance.

    • Suitable for applications with moderate temperature and pressure.

  • Brazed Plate Heat Exchangers:

    • Plates are brazed together using copper or nickel.

    • Compact and leak-proof design.

    • Ideal for high-pressure and high-temperature applications.

  • Welded Plate Heat Exchangers:

    • Plates are welded together for a robust construction.

    • Suitable for corrosive or high-temperature fluids.

    • Commonly used in industrial applications.

      2. Based on Flow Configuration

      • Single-Pass U Series:

        • Fluids pass through the heat exchanger once.

        • Simple design with lower pressure drop.

      • Multi-Pass U Series:

        • Fluids pass through the heat exchanger multiple times.

        • Increases heat transfer efficiency but may result in higher pressure drop.

          3. Based on Application

          • HVAC U Series:

            • Used in heating, ventilation, and air conditioning systems.

            • Efficient for heat recovery, chillers, and heat pumps.

          • Industrial U Series:

            • Designed for industrial processes such as chemical, food, and pharmaceutical industries.

            • Handles high temperatures, pressures, and corrosive fluids.

          • Refrigeration U Series:

            • Used in refrigeration systems for evaporators or condensers.

            • Compact and efficient for low-temperature applications.

          • District Energy U Series:

            • Connects to district heating or cooling networks.

            • High-capacity and energy-efficient.

              4. Based on Plate Material

              • Stainless Steel Plates:

                • Corrosion-resistant and durable.

                • Suitable for most applications, including food and beverage industries.

              • Titanium Plates:

                • Highly resistant to corrosion, especially in seawater or chloride environments.

                • Used in marine or chemical industries.

              • Nickel Plates:

                • Resistant to high temperatures and corrosive fluids.

                • Ideal for chemical processing or oil and gas industries.

                  5. Based on Gasket Material

                  • Nitrile (NBR) Gaskets:

                    • Suitable for water, oils, and low-temperature applications.

                  • EPDM Gaskets:

                    • Resistant to high temperatures and steam.

                    • Commonly used in HVAC and heating applications.

                  • Viton (FKM) Gaskets:

                    • Resistant to aggressive chemicals and high temperatures.

                    • Used in chemical or industrial applications.

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Siping Juyuan Hanyang Plate Heat Exchanger Co., Ltd , https://www.tj-heatexchange.com