The difference between prefabricated running track and EPDM track surfaces
Types：The one is Factory prefabricated ; The other is on-site bonding and paving
The upper and lower two layers are compounded. The upper layer is made of colored composite rubber, which has long-term resistance to ultraviolet light and the effect of changing weather and weather conditions. The concave-convex pattern surface layer design has excellent anti-skid, anti-spike, anti-wear and anti-wear properties. Reflective effect. The lower layer is made of composite elastic material, and the bottom layer is designed with a concave-convex pattern. The rebound force generated by the air enclosed in the hole at the moment of impact is transmitted to the athlete, thereby effectively reducing the impact received during exercise.
PU,polyether,rubber and EPDM granules.
It is formed by solidification of liquid, which can be leveled by its own thickness and has the inherent advantage of good flatness. The plastic track is made of polyurethane and other materials, has a certain degree of elasticity and color, has a certain degree of UV resistance and aging resistance. It is an internationally recognized all-weather outdoor sports field material.
Not easy to age, stable elasticity, no difference in elasticity throughout the year. It has excellent tensile strength and elongation at break, strong rotation and shock absorption. Paint lines are not easy to fall off, the color is bright, does not fade, and has better abrasion resistance. The flatness meets the IAAF standard, and the water filterability is good.
The thickness of the EPDM track is achieved based on the experience of the construction personnel and the calculation of the amount of material used, and the human factor is relatively large. And with the error of the flatness of the foundation, it is easy to appear uneven thickness after construction. The thickness change of the material after completion brings about the difference in physical properties, impact absorption and vertical deformation.
The prefabricated rubber track is controlled from the raw materials produced and is produced using environmentally friendly raw materials. The materials do not have a long-term slow chemical reaction process. This fundamentally ensures that the runway is environmentally friendly and non-toxic.
The raw materials of the plastic track need to be reacted on-site with additives to achieve the transformation of properties from liquid to solid. Depending on the temperature and humidity during construction, it is often necessary to add additives and diluents in order to increase the fluidity of the material during construction. Additives and thinners have become one of the decisive factors for environmental protection of materials.
Service Life：The prefabricated running track material is about 12-15 years.EPDM granules is about 2-5 years.
After reaching the service life, it can be recycled into reclaimed rubber, which has good environmental performance.
After the end of the service life, it is very difficult to dispose of, and the scrapped runway materials cannot be recycled and reused. Whether it is incineration or landfill, a lot of energy is wasted and it is harmful to the environment.
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