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 Buffer Layer Paving of soccer grass : The buffer layer is laid on the base layer, whose main function is to absorb the impact force of sports, reduce the joint damage of students during sports and improve the sports comfort.   EPDM buffer mat or polyester needle-punched cloth that meets the standards of primary and secondary school venues shall be preferred.   During paving,  it shall be ensured to be flat and free of wrinkles. The joints shall be firmly bonded with special glue without loosening or warping. The physical and mechanical properties and harmful substance limits of the buffer mat shall meet the relevant specifications to prevent toxic and harmful substances from endangering students' health.   Artificial Turf Layer Paving: The artificial turf is made of UV stabilized polyethylene (PE) or polypropylene (PP) suitable for campus scenarios, with the grass filament height controlled at 40-50mm, moderate grass filament density, uniform color, no peculiar smell and no damage.…

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