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Hello, welcome to the website of Shenzhen Zhengyuan Testing Co., Ltd.!

         With the rapid development and popularity of plastic runway construction at home and abroad, it has brought great convenience to people's lives. However, in the past year or two, schools in Jiangsu, Hangzhou, Shanghai, Foshan, Shenzhen, and Beijing frequently reported "drug runway" incidents, which caused fever, allergies, nosebleeds, dizziness, and rashes in many children. Aroused widespread concern in the media and society. "Poison runway" is a serious threat to people's health, and the detection of poison runway is urgent! According to the national "Sports field use requirements and inspection methods Part 6: Track and field venues", "Synthetic material runway surface layer" and other relevant regulations require abrasion resistance, pressure resistance, solvent resistance, base strength, appearance requirements, heavy metal content , Benzene, toluene, xylene, etc. for inspection.

Legal and regulatory basis:
(1) "Indoor Air Quality Standard" (GB / T 18883-2002);
(2) "Synthetic Runway Surface" (GB / T 14833-2011);
(3) "Stadium use requirements and inspection methods Part VI: Track and Field venues" (GB / T 22517.6-2011);

Clients: plastic runways in schools, gyms, and communities

Plastic runway testing standards and testing items:
(1) For the limit of harmful substances in plastic runways, please refer to the requirements of "Synthetic Material Runway Surface Layer" (GB / T14833-2011) to check whether they are qualified.
(2) Limits of volatile and harmful substances in the air of plastic sports venues

 

Test items unit Limit value Remark
Ammonia NH3 mg / m3 0.20 1h mean
Formaldehyde HCHO mg / m3 0.10 1h mean
Benzene C6H6 mg / m3 0.11 1h mean
Toluene C7H8 mg / m3 0.20 1h mean
Xylene C8H10 mg / m3 0.20 1h mean
TVOC mg / m3 0.60 8h mean
Vinyl chloride mg / m3 0.20 1h mean
Toluene diisocyanate TDI mg / m3 0.001 1h mean
Diphenylmethane diisocyanate MDI mg / m3 0.01 1h mean