What are the PVC sports flooring?

As people's material life improves, people pay more and more attention to their own health. They often go to some indoor gymnasiums or gyms to participate in physical exercise and fitness activities. Especially many young people. This is what people often say "spend money to buy health." Many people often ignore the damage that the gym and indoor stadiums may cause you, which becomes “paying for damage”. The booming of gymnasiums and amateur stadiums has brought convenience to people's spare time and has brought opportunities for many investors. In order to reduce investment, many investors use low-grade decoration materials and low-cost indoor tennis court interlocking mat that are not environmentally friendly regardless of the interests of customers. After the renovation, indoor air testing is not carried out, and business is carried out without ventilation. Some operators in order to improve the indoor odor caused by formaldehyde pollution, instead of adopting ventilation to reduce indoor formaldehyde concentration, but spraying chemical air freshener to improve odor. It is not known that this will not only reduce the formaldehyde content, but cause secondary pollution. Many people do not understand the harm of formaldehyde to people. Formaldehyde has been identified as a carcinogenic and teratogenic substance by the World Health Organization. Indoor furniture, flooring (solid wood flooring, laminate flooring, laminate flooring), large core panels, plywood, particleboard, MDF, etc. are constantly releasing toxic gas-formaldehyde, which can be released for 3-10 years. According to epidemiological statistics, the natural incidence of leukemia in China is 100,000, and about 40,000 leukemia patients are added each year, of which more than 20,000 are children, and most of them are children aged 2-7. There is an increasing trend in the number of people suffering from leukemia. Among the patients admitted, there are both intellectuals and peasants, and the classes and occupations involved are very wide. Experts say this is related to food contamination, decoration pollution, water and air pollution. According to research published by Professor Yang Xu, Dean of the School of Life Sciences at Huazhong Normal University, high concentrations of formaldehyde pollution (≥1.0 mg/m3) can cause cell mutations and cancer (including leukemia). (The national standard for formaldehyde in interior decoration is less than 0.1 mg per cubic meter) The most serious formaldehyde pollution in gyms and indoor gymnasiums is paint and prefabricated interlocking running track. Many gymnasiums use lower-priced composite flooring, laminate flooring and partially unqualified plastic sports flooring (also known as PVC sports flooring or sports flooring) in order to reduce input costs. At present, there is no technology for producing sports coil flooring in China, and many domestic manufacturers are copying foreign sports flooring. The PVC floor itself is formaldehyde-free. Since many domestic manufacturers do not master the production process of kindergarten interlocking outdoor soft elastic flooring, the glue is used to produce the floor. The glue contains formaldehyde, so the floor produced also contains formaldehyde. The floor that has just been produced has a pungent smell, and the smell becomes lighter over a long period of time. This does not mean that the floor does not contain formaldehyde. The release of formaldehyde is a long-term process. As the indoor temperature changes, the release of formaldehyde will also change for more than 10 years.