Kindergarten breathable plastic runway plastic runway EPDM plastic and plastic construction silicone rubber PU basketball court

== Breathable plastic runway LTTQPD technical indicators == 1, breathable plastic surface layer by the IAAF IAAF standard (V1997) test results East China University of Technology index values ??as follows: ≥64% elongation strength ≥0.56Mpa compression recovery rate ≥95% ≥43.6% rebound against sliding value ≥51 BPN20 ℃ correct vertical distortion 1.79㎜ a flame retardant (burning ≤35㎜ 2 spot diameter, plastic stadium: index value detection technology by GB / T14833-93 East China University as follows: strength ≥1.4Mpa hardness 50 Elongation ≥118% compression recovery rate ≥51% ≥98.4% rebound of a flame (burning spot diameter ≥47 BPN20 ℃ ≤35㎜ value against sliding friction surface layer thickness requirements ≥3㎜ plastic surface requirements: 1, the runway surface layer using 13mm thick plastic breathable plastic, after laying should reach no water, no loss, no bubbles 2, part 18mm thick permeable plastic 3, runway tilt. must comply with the required standards, laying the plastic surface must be detected before the runway longitudinal slope shall not exceed 0.1%, horizontal shall not exceed 1%, and shall runway medial tilt. 4, the performance index of plastic materials should be in line with international GB / T -1833-93 regulations.