Bentonite Waterproof Blanket

Bentonite waterproof blanket (English name: GCL) consists of three layers, the upper and lower layers are geotextiles, which mainly play the role of protection and reinforcement, so that it has a certain overall puncture resistance and tensile strength; the middle is a sodium-based bentonite particle layer , It is made of clay mineral material, which has high expansion and high water absorption capacity, low water permeability when wet, and mainly plays the role of anti-seepage. The bentonite waterproof blanket adopts a special needling method.