Waterborne Polyurethanes for Adhesive Applications
A Top PUDs supplier in the WorldSIWO offers a range of waterborne polyurethane dispersions (PUDs) specially developed for adhesive applications. Our products provide different bonding properties, including strong adhesion, flexibility, heat resistance, and excellent film-forming performance, helping manufacturers meet various bonding and processing requirements.
Our waterborne polyurethane adhesives are suitable for applications involving textiles, leather, footwear materials, and other flexible substrates. With different resin chemistries and activation temperatures available, SIWO provides solutions for both conventional and heat-activated adhesive systems, helping manufacturers select suitable products based on their specific substrates, production processes, and bonding requirements.
The following are a few of our waterborne polyurethanes used in adhesive applications:
| Type | Product Code | Solids Content (%) | Applications & Characteristics |
|---|---|---|---|
| Aliphatic / Polyester – Crystalline PUD | U-654 | 50 | The heat activation temperatures are 55–60°C and 70–80°C, respectively. Both offer good initial tack and high bonding strength, with excellent adhesion to most synthetic and natural materials. They also demonstrate good compatibility with most waterborne resins, including slightly acidic resins and substances. |
| U-658 | |||
| Aliphatic / Polycarbonate – Crystalline PUD | U-678 | 50 | The heat activation temperatures are 70–80°C and 120–130°C, respectively. Compared with the above-mentioned polyester-based polyurethanes, they offer better hydrolysis resistance and aging resistance. |
| U-679 | |||
| Aliphatic / Polyester – Non-crystalline PUD | U-674 | 50 | The heat activation temperatures are 70–80°C and 100–110°C, respectively. The adhesive films offer excellent flexibility and adhesion, with outstanding bonding performance on most synthetic and natural materials. They are particularly suitable for semi-dry bonding and wet bonding applications. |
| U-676 | |||
| Aliphatic / Polyether-Ester – Non-crystalline PUD | U-100 | 50 | Activation temperature: 100–110°C. Forms a soft, highly elastic adhesive film. Suitable for bonding leather, textiles, fabrics, and elastomers. |
| Aliphatic / Specialty Polyester – Crystalline PUD | U-1529 | 45 | Activation temperature: 110–120°C according to the current product page. Offers strong adhesion, high bonding strength, excellent dry-film properties, anti-blocking performance, and improved heat resistance. Suitable for automotive interiors and magnetic card manufacturing. |
High-performance polyurethane dispersions backed by consistent quality and technical support
Send us a message
Join our mailing list to stay in the loop with our latest product news.
Copyright © 2026 | SiwoPUD | All Rights Reserved
