China OEM/ODM 55 PU Foam Sealant from China Suppliers and Factory - High Performance Insulation and Bonding Solution Manufacturers, Factories

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China OEM/ODM 55 PU Foam Sealant from China Suppliers and Factory - High Performance Insulation and Bonding Solution Manufacturers, Factories

Introducing our high-performance PU foam sealant, a one-component and cost-effective solution produced by trusted suppliers in China. This polyurethane foam is designed for versatile applications in the construction industry, equipped with a convenient plastic adapter head compatible with foam application guns or straws, Our PU foam sealant excels in providing exceptional caulking, bonding, sealing, thermal insulation, and sound absorption properties. It is ideal for sealing leaks, filling gaps, and securing joints, making it perfect for waterproofing applications around plastic steel or aluminum alloy doors, windows, and walls, This product is specifically engineered to insulate and fill wide joints, gaps, and cracks, offering effective thermal preservation, cold resistance, humidity control, and sound insulation. As a reliable factory product, our PU foam sealant ensures durability and performance, meeting your construction needs with excellence

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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. The ultra-fast surface drying time is the highlight of this sealant — you don't have to wait long 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.

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Front-End Foam Technology Improves application efficiency and reduces bubble formation for a uniform bond.

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Ultra-Fast Surface Drying Minimizes wait time so you can move on to subsequent steps quickly.

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Strong Bonding Ability Compatible with PVC, glass, steel, aluminum, wood, brick, masonry and more.

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Fast Curing in Any Environment Maintains a reliable bond in humid or high-temperature conditions.

Package Options

📦 900ml

📦 500ml

📦 300ml

Parameter Specifications

Grade	Main Materials	Weight	EXW Price (USD)
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 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.

What sizes are available for this PU foam sealant?

The sealant is available in three package sizes: 300ml, 500ml, and 900ml, suitable for both small home projects and large professional applications.

What is the difference between Grade A+, B, C, and D?

The grades differ primarily in the percentage of main materials used. Grade A+ contains 86% main material content and is priced at $0.71, while Grade D contains 38% and is priced at $0.57 per unit. Higher grades offer superior performance and bonding strength.

How does the front-end foam filling technology benefit users?

The front-end foam filling technology improves glue application efficiency by reducing bubble formation during application. This results in a more uniform and reliable bonding effect.

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

Yes. Thanks to its fast curing properties, this PU foam sealant performs reliably in both humid and high-temperature conditions, maintaining a strong and durable bond over time.

Is this sealant suitable for both DIY projects and professional use?

Absolutely. The ultra-fast surface drying time and strong bonding performance make it ideal for both home DIY projects and professional construction applications, ensuring efficiency and quality results.