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China PU Foam Sealant Supplier - OEM/ODM Quality Polyurethane Foam from Factory for Insulation and Sealing Applications
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 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.
Compatible substrates include PVC, masonry, brick, glass, steel, aluminum, wood and other materials (except PE and Teflon). Suitable for both home DIY projects and professional craft production.
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Front-End Foam Filling Technology
Improves application efficiency and minimizes bubble formation for a more uniform bond.
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Ultra-Fast Surface Drying
No long waiting — quickly proceed to subsequent operations and boost work efficiency.
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Strong Bonding Ability
Adheres powerfully to a wide range of substrates, delivering lasting performance.
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Fast Curing in Any Environment
Performs reliably in humid or high-temperature conditions without compromising bond strength.
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
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What surfaces 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 use on PE (polyethylene) or Teflon surfaces.
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What package sizes are available?
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.
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What is the difference between Grade A+, B, C, and D?
The grades differ primarily in their main material content: Grade A+ contains 86%, Grade B 66%, Grade C 42%, and Grade D 38%. Higher grades offer superior bonding performance, while lower grades provide a more cost-effective option for general use.
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How quickly does the sealant dry and cure?
This sealant features an ultra-fast surface drying time, allowing you to proceed with subsequent operations without long waiting periods. Its fast curing properties ensure reliable performance across a variety of environmental conditions.
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Can this sealant be used in humid or high-temperature environments?
Yes. The PU foam sealant is formulated to maintain strong bonding performance in both humid and high-temperature environments, ensuring durable results that stand the test of time.
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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 during application. This results in a more uniform and consistent bonding effect compared to conventional sealant application methods.