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gram weight (g/m2) | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | ||||||
Thickness of PE membrane | 0.2~0.35mm | 0.3~0.6mm | |||||||||||
one layer PET mat and one membrane(g/m2) | 150/0.25 | 200/0.3 | 300/0.3 | 300/0.4 | 300/0.5 | 400/0.5 | 400/0.6 | ||||||
Breaking strength(KN/m)>= | 5 | 7.5 | 10 | 12 | 14 | 16 | 18 | ||||||
Breaking elongation(100%) | 30~100 | ||||||||||||
Tear strength (KN)>= | 0.15 | 0.25 | 0.32 | 0.4 | 0.48 | 0.56 | 0.62 | ||||||
CBR bursting strength(KN)>= | 1.1 | 1.5 | 1.9 | 2.2 | 2.5 | 2.8 | 3 | ||||||
Vertical permeability coefficient(cm/s) | 10 -12 | ||||||||||||
Hydrostatic pressure resistance(Mpa)>= | 0.4~0.6 | 0.8~1.4 | |||||||||||















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