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Results of testing of performance requirements for the products
Properties Requirements Results
Black membrane Brown membrane
Thickness (mm) Report 0.635 0.635
Weight (g/m2 ) ≥ 500 732 640
Impact load min. 12 of 15 must pass a rating of 3 15 of 15 passed 15 of 15 passed
Static puncturing min. 5 of 6 must pass a rating of 3 6 of 6 passed 6 of 6 passed
Cold bending No visible cracking No visible cracking No visible cracking
Side water flow < 15 minutes 3 seconds 3 seconds
Original Footnote (1) tensile strength at yield (kN/m) ≥ 8 13 15
elongation at break (%) ≥ 25 930 911
Water immersion Footnote (1) tensile strength at yield (%) ≥ 80 of original 116 104
elongation at break (%) ≥ 70 of original 105 94
Heat aging Footnote (1) dimensional change (%) ≤±1 0 0
weight change (%) ≤ 0.10 −0.06 −0.05
tensile strength at yield (%) ≥ 80 of original 130 108
elongation at break (%) ≥ 70 of original 105 107
Chemical attack exposure ammonium chloride tensile strength at yield (%) ≥ 80 of original 107 98
elongation at break (%) ≥ 70 of original 105 128
sodium sulfate tensile strength at yield (%) ≥ 80 of original 111 101
elongation at break (%) ≥ 70 of original 105 128
Compressive strength (kN/m2 ) ≥ 100 335 290