Rubber binder is a polyurethane-based, single-component, multi-purpose adhesive and bonding material. It is used in various applications such as running track areas, children’s playgrounds, and tramway noise reduction. The rubber binder provides an aesthetic appearance and is long-lasting.
What is Rubber Binder?
Rubber binder is a specially formulated polyurethane adhesive that, when combined with EPDM rubber, creates a strong, secure, and impact-absorbing surface.
Rubber binder is commonly used to bond granulated rubber particles in areas such as children’s playgrounds, sports fields, and pedestrian paths. It finds applications in numerous sectors including construction, transportation, and architecture, where it enhances the resistance and appearance of the applied surface. It is highly suitable for long-term use.
Characteristics of Rubber Binder:
Rubber binder is often preferred for areas like playgrounds and sports fields. It comes in various colors, providing a safe and secure surface for children. It offers a high level of safety and is highly resistant to adverse weather conditions and impacts.
Rubber binders possess superior performance characteristics. They improve the surface hardness and mechanical properties of materials, making them durable and long-lasting. They are highly resistant to water and have a quick curing feature in hot and humid conditions. Their flexibility allows for excellent performance in outdoor environments.
With medium viscosity, rubber binders easily mix with rubber granules. The application time is relatively short, usually ranging from approximately 15 to 45 minutes, depending on temperature and humidity.
However, if rubber binder surfaces are not applied smoothly and not properly maintained, they may weaken, leading to the risk of surface pieces breaking, which can be hazardous, especially for children.
Applications of Rubber Binder:
Rubber binder is used in the following applications:
- Adhesion of concrete, metal, and PVC
- Rubber floor casting systems
- Bonding of wooden materials
- Adhesion of rubber, gaskets, felts, and cork
How to Apply Rubber Binder?
For efficient pouring, granules should be clean and free from chemical oils, dust, and dirt. The mixture is prepared by adding SBR rubber and around 20% polyurethane rubber binder to a mixer and blending them. The previously cleaned surface is coated with polyurethane binder primer, and the mixture of binder and rubber is poured evenly over it. Manual adjustments are made, and the area is left to dry. After the SBR application has dried, EPDM application is carried out.
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