🇬🇧 PU Repair by Lechner SpA, being a 100% polyurethane resin, requires moisture to expand and promote secure bonding. In technical terms, it is a moisture-expanding adhesive thanks to the moisture component.
The most important advantage of PU Repair moisture-expanding adhesive, such as those based on polyurethane, lies in their ability to use moisture to facilitate expansion and bonding.
This characteristic allows for several key benefits:
1. Improved Adhesion in Damp Conditions: These adhesives can perform well in environments where other adhesives might fail, making them ideal for repairs or constructions in moist or wet conditions.
2. Gap Filling: The expansion property helps in filling gaps, cracks, or voids, ensuring a more secure and effective bond over a wider area. This makes it particularly useful in applications where tight seals are necessary or where materials with irregular surfaces need to be bonded.
3. Versatility: Moisture-expanding adhesives can bond a wide range of materials, including wood, metals, and some plastics, making them suitable for a diverse array of applications in construction, automotive, and other industries.
4. Reduced Shrinkage and Stress: As they cure by expanding slightly, these adhesives can reduce the amount of shrinkage and stress that can occur as materials dry or cure, leading to stronger and more reliable bonds.
5. Ease of Use: These adhesives can be applied in conditions where other adhesives might not be effective, without the need for completely dry surfaces. This can simplify preparation and application processes.
Overall, the ability of moisture-expanding adhesives to effectively bond materials in the presence of moisture, along with their gap-filling capabilities and versatility, stands out as their most significant advantage, particularly in challenging environments or applications where traditional adhesives might not be as effective.
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