Guannan breathable plastic runway Schools Shanghai is Asia Industrial Co., Ltd. plastic runway Product Description Features color: special polyurethane particles, surface color and soft, granular surface, preventing the dazzling glare of the sun's reflection, durable and beautiful, and a multi-color matching. Economy: maintenance facilities, saving management costs. Security: You can prevent sports injuries fall occurred. Plastic track has a certain softness. During exercise does not appear the case of accidental fall is inevitable, if it is a direct fall on the ground, the hardness of the ground itself will give you a hard response. If using plastic track, a fall, the plastic runway softness will play its role to reduce the damage to a minimum, it is also true for children. Plastic track is a certain degree of flexibility. Athletes intensity during exercise is relatively large, often have ankle injuries caused, the sports arena if it is vinyl, because it's raw materials like cement and other raw materials so hard, itself has a certain degree of elasticity, so during exercise the elastic characteristics of plastic flooring will give athletes an invisible rebound ankle, which can reduce the harmful effects, the effective protection of the health movement. For nursery schools at all levels and professional sports, track and field runway, semicircle area, auxiliary areas, fitness paths, indoor stadium training track, road pavement playground, indoor and outdoor track, tennis, basketball, volleyball, badminton, handball, etc. venues, parks, residential areas and other venues. 1. Standard runway length of 400 m, by two parallel straights and two equal to the radius of the curve components. Weeding to the runway, along the inner side of the runway sudden application of a suitable material to be boundaries. Ledge about 5 cm wide and at least 5 cm. 2. Should projecting beyond the outer edge of 30 cm measured along the length of the runway at the runway. If no curbs should be measured at 20 cm beyond the outer edge of the marker line. Note: "IAAF Track and Field Facilities Manual" contains all the relevant track structure, design, technical information flag. This rule gives the basic principles that should be followed. 3.400 m and 400 m of the following track, each athlete should occupy a lane, lane width of a minimum of 1.22 meters and a maximum of 1.25 m, lane width of 5 cm, all lanes should be the same width. The provisions of paragraph 2 shall measure the length of said first lane and the other lane length shall be measured at 20 cm beyond the outer edge of the inside lane line. NOTE: lane width should include the right of the lane line