Waterborne Polyurethanes for Genuine & Synthetic Leather
A Top PUDs supplier in the World
SIWO offers a range of waterborne polyurethane dispersions (PUDs) designed for genuine leather and synthetic leather coating and finishing applications. Our products provide different performance characteristics, including excellent flexibility, adhesion, abrasion resistance, and durable film properties, to meet various leather processing and surface finishing requirements.
Whether used for genuine leather finishing or synthetic leather surface coatings, SIWO’s waterborne polyurethane solutions help manufacturers achieve the desired feel, appearance, and performance of their finished products. With a variety of resin grades available, we can help you select suitable PUDs based on your specific application and formulation needs.
The following are a few of our waterborne polyurethanes used in leather applications:
| Product Code | Type | Solids Content (%) | Properties & Applications |
|---|---|---|---|
| PUD-6992 | Aliphatic / Polycarbonate | 32 | Forms a clear coating film with medium-soft hardness. It provides excellent adhesion to leather, outstanding dry and wet rub resistance, excellent flex resistance, and low-temperature flexibility. PUD-6992 offers better heat resistance, while PUD-6991, when used with crosslinkers such as aziridine, provides excellent alcohol-rub resistance. PUD-6993 produces a softer coating film with a softer hand feel. |
| PUD-6991 | Aliphatic / Polycarbonate | 32 | |
| PUD-6993 | Aliphatic / Polycarbonate | 32 | |
| PUD-986F | Aliphatic / Polyester-Polycarbonate | 35 | Forms a medium-hardness, high-gloss coating film with excellent water resistance and hydrolysis resistance, as well as outstanding adhesion and abrasion resistance. Suitable for coating applications, leather finishing, and related uses. |
| PUD-6805 | Aliphatic / Polyether | 33 | Forms a soft coating film with excellent resilience, alkali resistance, and water resistance. It also offers excellent low-temperature flex resistance and high peel strength. Suitable for textile printing coatings, leather coatings, and related applications. |
| PUD-2309 | Aliphatic / Polyether | 30 | Cationic waterborne polyurethane, used for leather base coating. |
| PUD-2509 | Aliphatic / Polyether | 30 | |
| PUE-5083 | Aliphatic / Polyester | 50 | PUE-5083 and SiwoPUD-SWU have good foaming properties and are primarily used as foaming resins for synthetic leather. PUE-3060 is used as a middle-layer resin, while PUD-6992 is used as a top-layer resin for synthetic leather. |
| SiwoPUD-SWU | Aliphatic / Polyester-Polycarbonate | 60 | |
| PUE-3060 | Aliphatic / Polycarbonate | 60 | |
| PUD-6992 | Aliphatic / Polycarbonate | 32 |
High-performance polyurethane dispersions backed by consistent quality and technical support
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