Polyurethane plastic track and field venues, there are many types of surface molding, summed up in three, after the use of the effect can basically meet the requirements, that is, athletes perform various actions, does not harm the health of the athlete's body, while athletes can fully display their skills , improve the performance of the game.
The first method is the Yanza gel forming method, which is a more general method. It is after the plastic material is paved, before the initial setting, from the artificial surface to the plastic surface, the colored rubber particles are raised until the plastic finally cures. After the recovery of excess rubber particles, the plastic surface layer to form a rough anti-slip, wear-resistant layer.
The second method is the extrusion-spray-forming method. This method is suitable for multi-layer paving molding. It is the last layer without the paving method. It uses a machine with air pressure equipment. Through the plastic pipe, a nozzle is connected and driven by the air press to spray the plastic on the already made plastic base layer to form a rough surface with a non-slip, wear-resistant layer.
The third type of web forming method, which uses a square grid with l0mmx l0mm, is a blend of cotton and chemical fiber. After paving the plastic surface, the cotton mesh is laid flat on the surface before the initial coagulation. When the final coagulation is lifted, a regular mesh is left on the plastic surface layer to form a rough surface and a wear-resistant layer. This method can only be Construction within a width of the runway, so the construction progress is slow, and because the use of cotton nets is cyclical, generally 5-6 times deformation, can not be used, so that the cost is too high, affect the promotion of use.
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