China OEM/ODM PU Foam Sealant Supplier - High Performance Polyurethane Foam Factory for Sealing and Insulation

PU foam sealant is a high-performance, economical one-component polyurethane foam, ideal for various construction applications. Manufactured in China, this versatile sealant comes with a plastic adapter head for use with foam application guns or straws, making it easy to apply in different settings. As a trusted product from reputable suppliers, it offers excellent capabilities for caulking, bonding, sealing, thermal insulation, and sound absorption, This PU foam sealant is particularly effective for sealing leaks, filling gaps, and providing thermal and sound insulation. It excels in waterproofing and sealing applications between plastic steel or aluminum alloy doors, windows, and walls. Whether you need to insulate wide joints, fill cracks, or ensure moisture resistance, this sealant meets all your needs. With its exceptional properties for heat preservation, cold resistance, and dryness resistance, this product is a must-have for construction projects. Choose a reliable factory in China for your PU foam sealant needs and experience the quality difference

Product Description

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, 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.

⚙️ Front-End Foam Filling Technology
Ultra-Fast Surface Drying
💪 Strong Bonding Ability
🌡️ Performs in Humid & High Temp
📏 Extra-Long Metering
Package Options
📦 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 (FAQ)
Q: What substrates is this PU foam sealant compatible with?
This PU foam sealant bonds well to a wide range of substrates including PVC, masonry, brick, glass, steel, aluminum, and wood. Please note that it is not suitable for use on PE (polyethylene) or Teflon (PTFE) surfaces.
Q: What is the advantage of front-end foam filling technology?
Front-end foam filling technology improves the efficiency of glue application and effectively reduces bubble formation, resulting in a more uniform and reliable bonding effect compared to conventional sealant application methods.
Q: 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 long waiting periods. Its fast curing properties ensure a strong and durable bond even in humid or high-temperature environments.
Q: What package sizes are available for this PU foam sealant?
The PU foam sealant is available in three package sizes: 900ml, 500ml, and 300ml, making it suitable for both small DIY projects and larger professional applications.
Q: What are the differences between Grade A+, B, C, and D?
The grades differ primarily in the percentage of main materials used. Grade A+ contains the highest concentration at 86%, followed by Grade B at 66%, Grade C at 42%, and Grade D at 38%. Higher main material content generally indicates better performance and bonding strength.
Q: Is this sealant suitable for both home DIY and professional use?
Yes, this high-performance PU foam sealant is designed to meet the needs of both home DIY enthusiasts and professional craftsmen. Its ease of use, fast drying time, and strong bonding ability make it a versatile choice.

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