PU Binder
Since its invention, polyurethane (PU) has become one of the most versatile and widely used materials, prized for its flexibility, strong chemical structure, and ease of application. It plays a crucial role across various industries, especially in coatings and printing. Topfloor Sports Infra is a trusted polyurethane binder manufacturer in Abu Dhabi, offering high-performance, one-component, moisture-curing, unpigmented PU binder—DESMOTOP-RR 2009 and DESMOTOP-RR 2008. These advanced binders are ideal for bonding a broad range of substrates, including timber, polystyrene foam, plastics, urethane foam, reclaimed rubber, gravel, fabric, and metals. The curing speed of PU binders depends on factors such as substrate type, ambient temperature, and relative humidity. Additionally, the use of a hot press can significantly accelerate the curing process, ensuring efficient and reliable results.
| Property | Unit | DESMOTOP-RR 2009 | DESMOTOP-RR 2008 |
| Appearance | Yellowish liquid | Brownish liquid | |
| NCO content | % | 10 ± 0.3 | 11 ± 0.5 |
| Solid content | % | > 99 | 100 |
| Density at 25°C | % | 10 ± 0.3 | 11 ± 0.5 |
| NCO content | g/cm3 | 1.08 ± 0.05 | 1.09 ± 0.03 |
| Viscosity at 25°C | cps | 2200 ± 500 | 2400 ± 500 |
| Flash point | oC | > 200 | > 200 |
| Tack free time at 25°C/50% rel. hum. | hr | 4-6 | 4-6 |
| Download TDS | Download TDS |
- Simple to transport and put away
- Quite simple to handle
- Strongest possible connection
- Immaculate transparency
- Single Component
- No solvent is needed
- Very thin film
- Increased Durability
- Floors for Kids’ Play Areas
- Sports Fields
- Pavers and garden design
- Rubber goods through molding
- DESMOTOP-RR 2009: 200 kg Drum/ 25 Kg Drum
- DESMOTOP-RR 2008: 200 Kg Drum / 25 Kg Drum
- DESMOTOP-RR 2009: Rubber Tiles, Plastic, Crumb Rubber, Polyurethene Reboand
Foam Binder - DESMOTOP-RR 2008: EPDM Rubber Granules, SBR Granules.
PU Binder – FAQs
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What Is a PU Rubber Binder Made Of?
A PU (polyurethane) rubber binder is an adhesive made from polyurethane resins. It is commonly used to bind rubber particles in applications like athletic tracks, playground flooring, and rubber mats.
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Benefits of Using PU Binders in Rubber Products
PU binders enhance durability, flexibility, and strength. By creating a strong bond between rubber particles, they produce surfaces that are tougher, longer-lasting, and high-performing.
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How PU Binders Improve Rubber Surfaces
Unlike many adhesives, PU binders offer superior bonding strength, elasticity, weather resistance, and long-term stability. This ensures rubber products remain resilient and reliable under varying conditions.
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Outdoor Applications of PU Binders
PU binders are ideal for outdoor use due to their resistance to UV rays, weather fluctuations, and temperature changes. They are perfect for sports tracks, playgrounds, and walking paths.
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How PU Binders Are Mixed with Rubber
To create rubberized surfaces, PU binders are blended with rubber granules into a uniform mixture. This blend is then applied to the desired surface, where the binder cures to form a strong, elastic layer.
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PU Binders in Rubber Recycling
PU binders are essential in recycling, as they bond shredded or recycled rubber particles into new, usable products. This process reduces waste and supports eco-friendly manufacturing.
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Curing Time of PU Binders
Curing time varies based on the formulation and environmental conditions. Typically, PU binders take several hours to a full day to reach the desired strength and elasticity.
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Compatibility with EPDM Colored Granules
PU binders are fully compatible with EPDM-colored granules, making them a preferred choice for vibrant, durable surfaces in jogging tracks, playgrounds, and recreational flooring.
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When to Use a PU Binder
PU binders are recommended wherever strong, wear-resistant, and flexible surfaces are needed. They are widely used in flooring, sports infrastructure, and other rubber-based applications for their proven performance and reliability.
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