What is the function of bentonite waterproof blanket?

Bentonite waterproof blanket is a kind of geosynthetic material specially used for anti-seepage in artificial lakes, landfills, pools, etc. Bentonite waterproof blanket can form many small fiber spaces, so that bentonite particles cannot flow in one direction, and when encountering water A uniform and high-density gel-like waterproof layer is formed in the pad to effectively prevent water leakage.