PU Binder
Polyurethane has established itself as one of the most versatile and widely used materials since its invention, valued for its flexibility, robust chemical structure, and easy application. It plays a vital role across industries, particularly in coatings and printing. Topfloor Sports Infra stands out as a trusted polyurethane binder manufacturer in Dubai, delivering high-performance, one-component, moisture-curing, unpigmented PU binder—DESMOTOP-RR 2009 and DESMOTOP-RR 2008. These advanced binders are suitable for bonding a wide variety of substrates, including timber, polystyrene foam, plastic, urethane foam, reclaimed rubber, gravel, fabric, and metal surfaces. The curing speed of PU binders is influenced by factors such as substrate type, ambient temperature, and relative humidity, while the use of a hot press can greatly enhance the curing process.
| 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 formulated from polyurethane resins. It is widely used to bind rubber particles in applications such as athletic tracks, playground flooring, and rubber mats.
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Benefits of Using PU Binder in Rubber Products?
PU binders greatly improve the durability, flexibility, and strength of rubber products. By ensuring a strong bond between rubber particles, they create surfaces that are tougher, longer-lasting, and better performing.
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How PU Binders Enhance Rubber Surfaces?
Unlike many other adhesives, PU binders provide excellent bonding strength, elasticity, weather resistance, and long-term stability. This makes rubber products more resilient and reliable under different conditions.
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Outdoor Applications of PU Binders?
PU binders are highly suitable for outdoor use. Their strong resistance to UV rays, weather changes, and temperature variations makes them ideal for sports tracks, children’s play areas, and walking paths.
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How Are PU Binders Mixed with Rubber?
To create rubberized surfaces, PU binders are mixed with rubber granules into a uniform blend. This mixture is then laid on the desired surface, where the binder cures to form a strong, elastic layer.
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Can PU Binders Be Used in Rubber Recycling?
PU binders play a key role in recycling by bonding shredded or recycled rubber particles to form new, usable products. This not only reduces waste but also supports eco-friendly manufacturing.
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How Long Does It Take for a PU Binder to Cure?
The curing time of PU binders depends on the formulation and environmental conditions. Typically, curing takes several hours up to a full day for the surface to achieve its desired strength and elasticity.
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Are PU Binders Compatible 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 Should You Use a PU Binder?
PU binders are recommended whenever a strong, wear-resistant, and flexible surface is required. They are extensively used in flooring, sports infrastructure, and other rubber-based applications due to their proven performance and reliability.
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