The official website of Shanghai Songjiang Vibration Absorber Group Co., Ltd. introduces the successful application of Songjiang acid and alkali-resistant rubber joints in Quzhou Juhua Group. Songjiang Group provides high-quality rubber joints to numerous chemical plants, and all Songjiang brand acid and alkali-resistant rubber joints are made using Japan’s Mitsui 4045 rubber, 100% virgin rubber, without any recycled rubber. Below is a detailed introduction.
1. Introduction to Quzhou Juhua Group
Juhua Group Corporation (abbreviated as “Juhua”), founded in May 1958, was approved by the State Economic and Trade Commission to form an enterprise group in 1992 and listed as one of the 120 national pilot enterprise groups by the State Council in 1997. In March 1998, it was designated as one of the first state-owned asset authorized operating units in Zhejiang Province. In June 1998, Zhejiang Juhua Co., Ltd., initiated solely by Juhua Group Corporation, was listed on the Shanghai Stock Exchange (stock code 600160).
After more than 50 years of development, Juhua now has 16,000 employees, over 40 subsidiaries and joint-stock companies, covering an area of 7.3 square kilometers, and operating over 100 main installations. The company mainly produces fluorochemical products and basic chemical raw materials, as well as high polymer materials, fertilizers, pesticides, chemical pharmaceuticals, chemical mining, building materials, chemical machinery, and power energy, with over 200 types of products in 17 categories. The company has comprehensive infrastructure, including a dedicated railway line, its own thermal power plant, and public facilities such as communications, water supply, and environmental protection.

2. Reasons for Choosing Shanghai Songjiang Group’s Acid and Alkali Resistant Rubber Joints
Juhua Group’s production involves a large amount of chemicals, especially fluorochemicals and other strong acids and alkalis. These chemicals impose extremely high requirements for corrosion and chemical resistance on the pipeline system during production and transportation. To ensure production safety and efficiency, Juhua Group needed a reliable pipeline connection solution that could maintain stability and longevity in harsh chemical environments.
Shanghai Songjiang Group’s acid and alkali-resistant rubber joints became Juhua Group’s preferred choice due to their excellent corrosion resistance and durability. These rubber joints are made using Japan’s Mitsui 4045 rubber, offering outstanding acid and alkali resistance, effectively coping with various strong acid and alkali environments in chemical production. Additionally, these joints are made of 100% virgin rubber, without any recycled rubber, ensuring high quality and stable performance. Notably, the EPDM material used in these joints, known for its excellent acid and alkali resistance, has become an ideal choice for various pipeline connections in the chemical industry. EPDM rubber not only resists the erosion of most acidic and alkaline substances but also has good heat resistance and oxidation resistance, further enhancing the joints’ service life and reliability in harsh environments.
3. Introduction of Acid and Alkali Resistant Rubber Joints in Quzhou Juhua Group
Performance characteristics of acid and alkali-resistant rubber joints:
Small size, lightweight, and good elasticity: Easy installation and maintenance, suitable for various complex pipeline environments.
Strong displacement compensation ability: Capable of producing lateral, axial, and angular displacement, not restricted by pipeline misalignment or flange non-parallelism.
Vibration and noise reduction: Effectively reduces structural noise transmission during operation, strong vibration absorption capability, enhancing the overall operational stability of the pipeline system.
High pressure resistance and good elasticity: Provides a large displacement, balances pipeline deviations, absorbs vibrations, reduces noise, and is easy to install.
Excellent corrosion resistance: Made from polar rubber, with good sealing and outstanding acid and alkali resistance, offering long service life, but should be kept away from sharp metal objects to prevent puncturing the rubber tube body.
Related certificates: Including certificates of conformity, warranty certificates, inspection reports from the Shanghai Quality and Technical Supervision Bureau, performance test reports from the National Type Test Center, ISO9001-2005 certificate, material certification, and user instructions.
4. Application Feedback
After using Shanghai Songjiang Group’s acid and alkali-resistant rubber joints, the pipeline system in Quzhou Juhua Group’s production was significantly improved. First, the corrosion resistance of the pipeline system was greatly enhanced, effectively dealing with the erosion from fluorochemicals and other strong acids and alkalis. Second, the rubber joints’ vibration and noise reduction effects were significant, improving the safety and efficiency of the production environment. Additionally, the ease of installation and maintenance of the joints brought great convenience to the maintenance and management of the production line, reducing operating costs. The successful application of Shanghai Songjiang Group’s acid and alkali-resistant rubber joints in Quzhou Juhua Group not only improved the overall performance of the pipeline system but also provided a reliable guarantee for the company’s efficient production and operation.



