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

1 / 1

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

PU foam sealant is a high-performance, economical one-component polyurethane foam manufactured by leading China suppliers and factories. This versatile sealant comes equipped with a plastic adapter head for compatibility with foam application guns or straws. It is widely utilized across various construction sectors due to its exceptional properties, The cured foam provides effective solutions for caulking, bonding, sealing, heat insulation, and sound absorption. Ideal for sealing leaks and filling gaps, it excels at fixing and bonding applications while offering excellent thermal and sound insulation. Particularly suitable for sealing, plugging, and waterproofing around plastic steel or aluminum alloy doors, windows, and walls, it effectively addresses wide joints, gaps, and cracks. This PU foam sealant provides outstanding heat preservation, cold resistance, moisture resistance, and sound insulation, making it a preferred choice for construction projects seeking quality and reliability from trusted China suppliers

Send Inquiry

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.

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.

⚡

Ultra-Fast Surface Drying No long waiting — quickly proceed to subsequent operations and greatly improve work efficiency.

🔧

Front-End Foam Filling Technology Reduces bubble generation and ensures a more uniform bonding effect.

💪

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

🌡️

Fast Curing in Any Environment Performs reliably in humid conditions and high temperatures alike.

Packaging Options

📦 900ml

📦 500ml

📦 300ml

Parameter Specifications

Grade	Main Materials	Weight	Price Status (EXW)
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 strongly to a wide range of substrates including PVC, masonry, brick, glass, steel, aluminum, and wood. Please note it is not compatible with PE (polyethylene) or Teflon surfaces.

Q What does "front-end foam filling technology" mean?

Front-end foam filling technology means the sealant is dispensed from the front of the nozzle, which minimizes air bubble formation during application and ensures a more uniform, consistent bond throughout the filled area.

Q How quickly does the surface dry after application?

This sealant features ultra-fast surface drying, allowing you to proceed with subsequent operations shortly after application without lengthy waiting times. This makes it ideal for both professional projects and home DIY tasks.

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

Yes. The fast-curing formula is designed to perform reliably in both humid conditions and high-temperature environments, maintaining a strong and durable bond even under challenging conditions.

Q What package sizes are available, and which grade should I choose?

The sealant is available in 900ml, 500ml, and 300ml packages. Grades range from A+ (highest material content at 86%) to D (38%), allowing you to select the best balance of performance and cost.

Q Is this sealant suitable for both professional and home DIY use?

Absolutely. The combination of ultra-fast surface drying, strong bonding capability, and ease of application makes this PU foam sealant an excellent choice for professional craftsmen as well as home DIY enthusiasts.