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China PU Foam Sealant - High-Performance One-Component Sealant from Trusted Suppliers & Factory
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China PU Foam Sealant - High-Performance One-Component Sealant from Trusted Suppliers & Factory

Ideal for sealing leaks, filling gaps, and providing effective insulation, our PU foam sealant is particularly well-suited for waterproofing plastic steel or aluminum alloy doors, windows, and walls. It efficiently seals, insulates, and fills wide joints, gaps, and cracks, making it a preferred choice among professionals. With features such as heat preservation, cold resistance, sound insulation, and moisture resistance, this foam sealant is manufactured by top factory standards to ensure superior quality. Choose our PU foam sealant for reliable performance in your construction projects

    Product Description
    • 🔧Front-End Foam Filling Technology — Improves glue application efficiency and reduces bubble generation for a more uniform bonding effect.
    • Ultra-Fast Surface Drying — No long wait times; quickly proceed to subsequent operations and boost work efficiency.
    • 💪Strong Bonding Ability — Compatible with PVC, masonry, brick, glass, steel, aluminum, wood and more (except PE and Teflon).
    • 🌡️Fast Curing in Any Environment — Maintains strong bonds in humid or high-temperature conditions, ensuring lasting results.

    Our PU foam sealant adopts front-end foam filling technology. This innovative design not only improves the efficiency of glue application, but also effectively reduces the generation of bubbles, ensuring a more uniform bonding effect. Whether it is PVC, masonry, brick, masonry, glass, steel, aluminum, wood and other substrates (except PE and Teflon), this glue can provide strong bonding ability. In addition, the ultra-fast surface drying time is the highlight of this sealant. You don't have to wait for a long time and can quickly carry out subsequent operations, which greatly improves work efficiency. Whether it is a home DIY project or professional craft production, this glue can meet your needs.

    Its fast curing properties enable it to perform well in a variety of environments. Whether in a humid environment or at high temperatures, it can maintain a strong bond to ensure that your work will stand the test of time.
    In short, this high-performance sealant will be your best choice with its extra-long metering, front-end foam filling technology, ultra-fast surface drying, fast curing and strong bonding ability.


    Package
    📦 900ml 📦 500ml 📦 300ml

    Parameter Specifications
    Grade Main Materials Weight EXW Price $

    A+

    86%

    300ml / 300g

    0.71

    B

    66%

    0.63

    C

    42%

    0.59

    D

    38%

    0.57


    Frequently Asked Questions
    What substrates is this PU foam sealant compatible with?
    This sealant bonds strongly to a wide range of substrates including PVC, masonry, brick, glass, steel, aluminum, and wood. Please note it is not suitable for use on PE (polyethylene) or Teflon surfaces.
    What is the advantage of the front-end foam filling technology?
    The front-end foam filling technology improves the efficiency of glue application while effectively reducing bubble formation. This results in a more uniform and reliable bonding effect compared to traditional sealants.
    How fast does this sealant dry and cure?
    This sealant features an ultra-fast surface drying time, allowing you to proceed with subsequent operations quickly without lengthy waiting periods. Its fast curing properties ensure a strong bond is achieved efficiently, making it ideal for both DIY and professional projects.
    Can this sealant be used in humid or high-temperature environments?
    Yes. The fast curing formula is designed to perform reliably in a variety of environments, including humid conditions and high-temperature settings, ensuring a durable and long-lasting bond.
    What package sizes are available for this PU foam sealant?
    The sealant is available in three package sizes: 900ml, 500ml, and 300ml, catering to different project scales and usage requirements.
    What is the difference between Grade A+, B, C, and D?
    The grades differ primarily in their main material content: Grade A+ contains 86%, Grade B contains 66%, Grade C contains 42%, and Grade D contains 38%. Higher main material content generally indicates better performance and bonding strength, reflected in the corresponding EXW pricing.