As one of the most widely used sports ground materials, man-made grass has been widely used in people's daily life. The reason why man-made grass can be widely accepted and applied is that it teaches natural grass more wear-resistant, weather-resistant, easy to maintain and has better flexibility, color stability.
In practice, people pay more and more attention to the environmental protection performance of artificial grass. At this stage, the environmental performance of artificial turf detection has become an indispensable reference for evaluating the quality of artificial turf, then, what are the important evaluation indicators of environmental performance of artificial turf?
1. Classification of environmental performance indicators for artificial turf
Environmental performance indicators of man-made turf can be divided into several categories, including heavy metals such as lead, cadmium, chromium, mercury and arsenic; moreover, strict attention should be paid to toxic and harmful chemicals on qualified man-made turf, including benzene, toluene and xylene, free toluene diisocyanate (TDI), TVOC and polycyclic aromatic hydrocarbons (PAHs). . We should pay more attention to the evaluation index and detection purpose of environmental safety performance on qualified artificial lawn. Heavy metals such as lead, mercury, arsenic and cadmium are toxic substances, and the detection of their contents will also be used to assess whether the lawn itself is safe and environmentally friendly.
2. Evaluation of environmental safety performance of artificial turf
Other toxic and harmful substances on artificial turf content testing, related toxic substances testing will be used to assess whether artificial turf and accessories will exceed safety indicators. Particular attention should be paid to the rate of release of toxic and harmful substances, the volatility of chemicals, this indicator will be used to evaluate the artificial lawn and its accessories contained in the chemical volatilization rate, will exceed safety standards.
When it comes to testing standards for the environmental protection performance of artificial turf, the standards of each country are different. At present, people in different countries pay more and more attention to the harm of environmental pollution to human body. Because the safety and environmental protection of artificial grass are closely related to the people and the environment, the safety and environmental protection performance of artificial grass itself is particularly important.
3. Flame retardancy standard of artificial lawn
Artificial turf is used in decoration and leisure places, which is close to the crowd. If the artificial turf has no flame retardant performance, once there is a fire, it will cause unpredictable consequences, so the fire retardant performance of artificial turf has become an important factor in the safety performance of artificial turf. The so-called flame retardancy, the purpose is to man-made turf in the fire after the self-extinguishing, will not cause the whole man-made turf to burn up. The principle of flame retardant is to add flame retardant in the production of straw silk. The flame retardant was used to prevent fire at the beginning, but later developed to the safety of artificial lawn. The function of flame retardant is to effectively prevent the spread of flame and reduce the speed of fire.
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