... service life. water, drainage, anti-seepage, the good effect of moisture, width, thickness of the full range of specifications and low ... (channel diversion canal, reservoir, pond used, the water storage pond, seepage of irrigation systems) . 9) aquaculture (intensive, factory-farming ... transversal) %≥7005Tearing strength at right angle N/mm≥606Coefficient of water vapor permeability (g.cm/cm2.s.Pa)‹1.0 ...