China OEM/ODM PU Foam Sealant - High-Performance Sealant from Reliable Suppliers and Factory

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China OEM/ODM PU Foam Sealant - High-Performance Sealant from Reliable Suppliers and Factory

PU foam sealant is a high-performance, economical polyurethane foam produced by leading suppliers in China. This one-component sealant is designed for easy application with a foam gun or straw, making it ideal for a variety of construction applications. Once cured, this versatile foam provides excellent caulking, bonding, sealing, heat insulation, and sound absorption properties, It's perfect for sealing leaks, filling gaps, and providing thermal and sound insulation. The foam is particularly effective for waterproofing and sealing between plastic steel or aluminum alloy doors, windows, and walls. Additionally, it is well-suited for insulating and filling wide joints, gaps, and cracks, offering outstanding heat preservation, cold resistance, and moisture resistance, As a trusted factory in China, we ensure that our PU foam sealant meets high-quality standards, making it an essential choice for construction professionals looking for reliable sealing solutions

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Product Description

✔ Front-End Foam Filling

✔ Ultra-Fast Surface Drying

✔ Fast Curing Technology

✔ Strong Bonding Ability

✔ Extra-Long Metering

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. In short, this high-performance sealant will be your best choice with its extra-long metering and professional-grade performance.

Available Packaging

900ml Available

500ml Available

300ml Available

Parameter Specifications

Grade	Main Materials	Weight/Volume	EXW Price (USD)
Grade A+	86%	300ml / 300g	$0.71
Grade B	66%	300ml / 300g	$0.63
Grade C	42%	300ml / 300g	$0.59
Grade D	38%	300ml / 300g	$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 glue application efficiency and significantly reduces bubble formation, resulting in a more uniform and reliable bonding effect compared to traditional sealants.

Can this sealant be used in humid or high-temperature environments?

Yes. The fast curing properties of this PU foam sealant allow it to maintain a strong bond even in humid conditions or at elevated temperatures, making it suitable for both indoor and outdoor applications.

What package sizes are available?

The sealant is available in three package sizes: 900ml, 500ml, and 300ml, catering to different project scales from small DIY tasks to large professional applications.

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, offering the highest performance. Grade D contains 38% main materials, suitable for applications with lower bonding requirements.

Is this product suitable for both home DIY and professional use?

Absolutely. Thanks to its ultra-fast surface drying time and strong bonding ability, it is ideal for both home DIY projects and professional construction applications, allowing users to proceed with subsequent operations quickly.