Technical explanation on the comparison and selection criteria between fluorine rubber and NBR!
In the design of plant equipment, precision instruments, and automotive devices, the "heat resistance temperature" of rubber materials used for sealants and gaskets is an extremely important selection factor that influences the reliability of the system. Incorrect selection in relation to the temperature of the operating environment can lead to early deterioration or hardening of the rubber, a decrease in sealing performance, and serious leakage issues. Among the various rubber elastomers, silicone rubber (Q/VMQ) is known for its top-class heat and cold resistance. However, it is essential to correctly understand the specific temperature limits it can withstand and how it differs from other rubber materials for appropriate component design. This article will focus on the concept of heat resistance temperature of silicone rubber, the chemical mechanisms of thermal resistance, the differences compared to other representative rubber materials (such as fluorine rubber, NBR, EPDM, etc.), and the key selection points to keep in mind in actual design settings, incorporating insights from Daiko Co., Ltd., a specialized processing manufacturer. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.*
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Daiko is a manufacturer specialized in processing various industrial products, including gaskets and packing. With industry-leading processing equipment, including one of Japan's largest water jet cutting machines, and a wide range of materials such as joint sheets, rubber, resin, and metal, we meet our customers' diverse needs. Leveraging the technology and experience we have cultivated over 50 years, we provide high-quality, short-lead-time, and low-cost products to contribute to solving our customers' challenges. To respond to our customers' varied needs, Daiko's production bases are equipped with various processing facilities. Among them, the water jet cutting machines, with a total of four installed at our Osaka headquarters and Tokyo branch, boast one of the largest scales in the country. The maximum processing range is W4,000 × L5,500 mm, allowing for the high-precision manufacturing of large-diameter gaskets and packing. By maximizing material efficiency, we achieve the provision of 'high quality at low cost.'
