About Us

About Us

Ningbo Kaxite Sealing Materials Co., Ltd.

Established as a pioneering force in the sealing industry, Ningbo Kaxite Sealing Materials Co., Ltd. has built a legacy of excellence through decades of dedicated innovation and unwavering commitment to quality. From our strategic base in Ningbo, China, we have grown into a globally recognized manufacturer trusted by industries worldwide.


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  • Industry Experience
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    Industry Experience

  • Annual Output
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    Annual Output

  • Advanced Equipment
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    Advanced Equipment

  • Exporting Country
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    Exporting Country

Why Choose Us

  • Technical Expertise

    Decades of specialized knowledge in sealing technology

  • Reliable Supply Chain

    Consistent quality and on-time delivery worldwide

  • Comprehensive Support

    24/7 technical assistance and after-sales service

  • Competitive Advantage

    Cost-effective solutions without compromising quality

News

  • How does a double jacket gasket work?
    2026-10-13
    How does a double jacket gasket work?

    A double jacket gasket consists of a soft filler material enclosed in a metal shell, typically with two layers that form a flexible, durable seal. When installed between flanges, the metal jacket compresses under bolt load, while the inner filler conforms to surface irregularities to prevent leaks under high temperature and pressure.

  • What are the common applications of lens ring joint gaskets?
    2026-10-05
    What are the common applications of lens ring joint gaskets?

    Lens ring joint gaskets are commonly used in high-pressure and high-temperature piping systems, particularly in oil and gas, petrochemical, and power generation industries, to provide reliable metal-to-metal sealing in flanged connections.

  • Are pure expanded graphite gaskets suitable for steam service?
    2026-08-14
    Are pure expanded graphite gaskets suitable for steam service?

    This article examines whether pure expanded graphite gaskets are suitable for steam service, focusing on their high-temperature resistance, sealing performance, and potential limitations under typical steam operating conditions.

  • What are exhaust spiral wound gaskets used for?
    2026-08-06
    What are exhaust spiral wound gaskets used for?

    Exhaust spiral wound gaskets are used to seal flanged joints in vehicle exhaust systems, preventing leaks of high-temperature gases and ensuring reliable performance under thermal cycling and vibration.

  • Can special materials spiral wound gaskets be used in high-temperature environments?
    2026-07-29
    Can special materials spiral wound gaskets be used in high-temperature environments?

    This article examines the suitability of special material spiral wound gaskets for high-temperature applications, analyzing their thermal resistance, material properties, and performance limits.

  • How do non-circular spiral wound gaskets differ from standard round types?
    2026-07-21
    How do non-circular spiral wound gaskets differ from standard round types?

    Non-circular spiral wound gaskets are custom-shaped to seal non-round flange geometries, unlike standard round types made exclusively for circular flanges.

  • What is the difference between standard and nuclear grade spiral wound gaskets?
    2026-07-13
    What is the difference between standard and nuclear grade spiral wound gaskets?

    This article explores the key distinctions between standard spiral wound gaskets and nuclear grade versions, including material specifications, manufacturing standards, and performance criteria required for critical nuclear applications.

  • What are the dimensions of standard spiral wound gaskets?
    2026-07-03
    What are the dimensions of standard spiral wound gaskets?

    Standard spiral wound gaskets are sized to match common pipe flange dimensions per ASME B16.20, typically ranging from 1/2 inch to 24 inches in nominal diameter. The gasket thickness is usually 0.125 inches for standard-duty and 0.175 inches for heavy-duty applications, with inner and outer ring dimensions precisely specified to seat within the flange face.

  • How does pure PTFE packing compare to graphite packing?
    2026-06-25
    How does pure PTFE packing compare to graphite packing?

    A concise comparison of pure PTFE packing and graphite packing, examining their key properties, performance characteristics, and typical applications to help determine the best choice for specific sealing needs.

  • How does aramid fiber packing perform in dry running conditions?
    2026-06-17
    How does aramid fiber packing perform in dry running conditions?

    Aramid fiber packing typically exhibits high strength and abrasion resistance but may generate excessive heat and wear in dry running conditions due to its relatively low thermal conductivity and tendency to harden without lubrication, making it less suitable for prolonged dry operation.

  • How thick should cork sheet be for a bulletin board?
    2026-06-16
    How thick should cork sheet be for a bulletin board?

    Discover the ideal cork sheet thickness for your bulletin board, considering factors like pin hold, durability, and ease of mounting to ensure it meets your needs.

  • Can cork rubber sheet be used for flooring?
    2026-06-15
    Can cork rubber sheet be used for flooring?

    Discover the potential of cork rubber sheets as a versatile flooring option, exploring their durability, comfort, and eco-friendly benefits for residential and commercial spaces.

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