Specification a 150g to 500g/ m2, which can reproduce complex membranes to high-strengthed anti-seepage geo-mambranes A15, B20, B25 The strength are as follows: 30KN, 40KN, 50KN The maximal width is 6 metres Characters and Functions: It has excellent tensile, anti-ripping strength, good resistance to chemicals and microorganism. It is soft and convenient for construction. Standard and Functions: Standard: GB/T 17690-1999 Filtrate: It can strengthen in geotechnical engineering, such as, riverbank, dam, highroad, railway, roadbed of airport, etc. Protection: It can prevent riverbank from strong wind and heavy rain. Besides, it can protect dam and the bottom of river and prevent the loss of sand. Strengthen roadbed: It can strengthen roadbed, limit the time of construction and the quantity of sand. Besides, it makes the road have a long service life.