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Plastic tracks, also known as all-weather running tracks, are made from a combination of polyether, recycled tire rubber, EPDM rubber granules, or PU particles, along with pigments, additives, and fillers. These surfaces offer excellent flatness, high compressive strength, and the right balance of hardness and elasticity, making them ideal for athletes to achieve better speed and technique. They help improve athletic performance while reducing the risk of injuries. The material is primarily composed of polyurethane rubber, providing both flexibility and color. It is resistant to external wear and aging, which is why it is widely recognized as the best all-weather outdoor flooring solution globally.
There are several types of plastic track materials available:
(a) Breathable plastic tracks are a two-layer system. The base layer consists of urethane-resin bonded black environmental rubber particles, while the top layer is a mixture of colored EPDM rubber and polyurethane, sprayed directly onto the surface using an SMG machine. This type meets GB/14833-93 standards, offers good permeability, and is quick to install. It's cost-effective and often chosen by primary schools due to its affordability and ease of maintenance.
(b) Prefabricated plastic tracks are manufactured in a factory and come as pre-made rolls. They are made from natural and synthetic rubbers mixed with mineral fillers, stabilizers, and colorants, then vulcanized at high temperatures (280–300°C). They are embossed and printed in two layers. This type is commonly used in professional stadiums but is too expensive for most schools.
(c) Compound plastic tracks have a base layer made of black eco-friendly rubber particles bonded with polyurethane resin, and the top layer is formed by casting colored EPDM rubber into polyurethane resin.
(d) Hybrid plastic tracks combine PU and black rubber particles in a specific ratio. The materials are transported to the site, mixed, and vulcanized at room temperature. This is the only type of plastic surface that meets national standards and is mainly used for professional competitions. Both compound and hybrid tracks fall between breathable and fully synthetic options, offering higher quality but at a significantly higher price than breathable tracks.
When it comes to foundation requirements for plastic tracks:
(a) Breathable, compound, and hybrid tracks do not require highly demanding foundations because of their breathability and water resistance. A cement base can be used directly.
(b) Prefabricated tracks only need special adhesives provided by the manufacturer. With minimal labor and machinery, the rolled tracks can be laid on a compact base and be ready for use after 24 hours.
In terms of pricing:
1. The cost of a mixed plastic track is generally around 210 yuan per square meter.
2. The cost of a cement base is approximately 180 yuan, while a bitumen base costs about 190 yuan. The base thickness is typically around 15 centimeters.
Choosing the right type of plastic track depends on budget, usage requirements, and long-term maintenance considerations. Each option has its own advantages and is suited for different environments and levels of activity.