About artificial grass football field acceptance criteria? Product identification including product identification identification of turf, the cushion filler and the like, and the specific test method are shown in Table 1. Table 1 artificial grass yarn product identification and quality control requirements of the test object Test Performance Test methods for laboratory testing and field testing of the difference between FIFA Recommended 2 Star FIFA Recommended 1 Star football field turf and grass silk mass per unit area ISO 8543 <± 10% <± 10% of the number per unit area of ??grass silk ISO 1763 <± 10% <± 10% grass wire pull-out strength ISO 4919 <-10% <-10% grass wire length ISO 2549 <± 5% <± 5% grass yarn quality ISO 8543 <± 10% <± 10% grass yarn properties DSC - - filler thickness EN 1969 <± 15% <± 15% filler material particle size EN 933-Part 1 <± 20% <± 20% particle shape prEN 14955 <± 20% <± 20% volume density EN 13041 <± 15% <± 15% sand buffer layer mass per unit area EN 430 <± 100gm2 <± 100gm2 artificial turf soccer field requires a foundation. Concrete 12cm ~ 15cm; venue was Turtle-shaped artificial turf soccer field construction, drainage to four weeks. Drainage slope of 0.3 to 0.5%. 2. Thirty-seven lime (or inorganic material) 30cm; 3. Site preparation artificial turf stadium, prime soil compaction; 4. Perimeter should drain. 5. Li 4m high perimeter fence, flexible plastic coated wire mesh, mesh of 50cm * 50cm. Artificial turf football field, Camry sports (certified), Qinghai artificial turf provided by the Dongguan City Camry sports facilities Engineering Limited. Dongguan City Camry Sports Facilities Engineering Co., Ltd. (www.kmtyss.com) is Dongguan, related products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the Camry sports leadership with the staff warmly welcome all inquiries negotiations to create Camry sports a better future.