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OEM/ODM PU Foam Sealant - High-Quality Polyurethane Sealant from China Suppliers and Factory
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OEM/ODM PU Foam Sealant - High-Quality Polyurethane Sealant from China Suppliers and Factory

PU foam sealant is a high-performance, one-component polyurethane foam that offers an economical solution for various construction needs. Manufactured in China, this versatile sealant comes with a plastic adapter head, making it compatible with both foam application guns and straws for easy application. As one of the leading suppliers in the market, we ensure that our PU foam sealant effectively caters to multiple construction applications, including caulking, bonding, sealing, thermal insulation, and sound absorption, This product is ideal for sealing leaks, filling gaps, fixing and bonding materials, as well as providing thermal and sound insulation. It excels in waterproofing and sealing between PVC or aluminum alloy doors, windows, and walls. The PU foam sealant is perfect for insulating and filling wide joints, gaps, and cracks, delivering exceptional heat retention, cold resistance, moisture resistance, and soundproofing capabilities, As a trusted factory supplier, we prioritize quality and performance in our PU foam sealant, making it the go-to choice for professionals across various construction sectors in China and beyond

    Product Description

    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, 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.

    • 🔧 Front-End Foam Filling — Reduces bubbles and ensures uniform bonding
    • Ultra-Fast Surface Drying — Speeds up subsequent operations significantly
    • 💪 Strong Bonding Ability — Compatible with most common substrates
    • 🌡️ Fast Curing — Performs reliably in humid or high-temperature environments

    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
    Q What substrates is this PU foam sealant compatible with?
    This sealant bonds effectively to a wide range of substrates including PVC, masonry, brick, glass, steel, aluminum, and wood. Please note it is not suitable for PE (polyethylene) or Teflon surfaces.
    Q What is the surface drying time of this sealant?
    This sealant features ultra-fast surface drying, allowing you to proceed with subsequent operations quickly without long waiting periods, making it ideal for both DIY and professional applications.
    Q Can this sealant be used in humid or high-temperature environments?
    Yes. The fast-curing formulation is designed to maintain strong adhesion even in humid conditions or elevated temperatures, ensuring a durable and long-lasting bond.
    Q What package sizes are available?
    The PU foam sealant is available in three package sizes: 900ml, 500ml, and 300ml, catering to different project scales and usage requirements.
    Q What is the difference between Grade A+ and Grade D?
    The grades differ primarily in the percentage of main materials used. Grade A+ contains 86% main materials and is priced at $0.71, while Grade D contains 38% main materials at $0.57. Higher grades offer superior bonding performance and material quality.
    Q What technology does this sealant use to improve application efficiency?
    This sealant utilizes front-end foam filling technology, which significantly improves the efficiency of glue application, minimizes bubble formation, and delivers a more uniform and consistent bonding result across all supported surfaces.