PU Binder
Polyurethane has long been recognized as one of the most versatile and widely used materials, prized for its flexibility, strong chemical structure, and ease of application. It serves a critical role across multiple industries, especially in coatings and printing. Topfloor Sports Infra is a trusted polyurethane binder manufacturer in Saudi Arabia, offering high-performance, one-component, moisture-curing, unpigmented PU binder—DESMOTOP-RR 2009 and DESMOTOP-RR 2008. These advanced binders are designed to bond a wide range of substrates, including timber, polystyrene foam, plastic, urethane foam, reclaimed rubber, gravel, fabric, and metal surfaces. The curing speed of PU binders depends on factors such as substrate type, ambient temperature, and relative humidity. Using a hot press can significantly accelerate the curing process, ensuring faster and more efficient application.
| 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 such as athletic tracks, playground flooring, and rubber mats.
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What Are the Benefits of Using PU Binders in Rubber Products?
PU binders enhance the durability, flexibility, and strength of rubber surfaces. By ensuring a strong bond between rubber particles, they create tougher, longer-lasting, and better-performing surfaces.
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How Do PU Binders Improve Rubber Surfaces?
PU binders offer exceptional bonding strength, elasticity, weather resistance, and long-term stability. This makes rubber products more resilient and reliable under various conditions.
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Are PU Binders Suitable for Outdoor Use?
Yes, PU binders are ideal for outdoor applications. They resist UV rays, temperature changes, and weathering, making them perfect for sports tracks, children’s play areas, and walking paths.
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How Are PU Binders Mixed with Rubber?
To make rubberized surfaces, PU binders are blended with rubber granules to form a uniform mixture. This mixture is then applied to the desired surface, where it cures to form a strong, elastic layer.
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Can PU Binders Be Used in Rubber Recycling?
Absolutely. PU binders are essential in recycling, as they bond shredded or recycled rubber into new, usable products. This helps reduce waste and supports eco-friendly manufacturing practices.
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How Long Does It Take for a PU Binder to Cure?
Curing time varies depending on the binder formulation and environmental conditions. Generally, it takes several hours to a full day for the surface to reach its full strength and elasticity.
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Are PU Binders Compatible with EPDM-Colored Granules?
Yes, PU binders are fully compatible with EPDM-colored granules, making them ideal for creating vibrant, durable surfaces for 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 needed. They are widely used in flooring, sports infrastructure, and other rubber-based applications due to their proven performance and reliability.
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