1.Prevent leakage disposal in waste burying filed or waste burying filed or waste water or waste dregs disposing filed .

2.River bank ,lake dam,mine remaining, reservoir ,tunnel,liquid storage pool (pit ,mine)

3.Preventing leakage in roadbed and other ground-sill .

4.The plane direction laying off of da ,the vertical direction laying for ground-sill,used in the construction fence and waste material filed .

5.Used in seawater or freshwater feel field .

6.Used in ground-sill of rad ,highway,railway and waterproof layer of swelling clay and wet collapsed loss .

7.Preventing leak on rooftop