Waterproof blanket national municipal water engineering standards for products, special 5000g Oriental Website: www.dzxhy.com waterproof blanket (GCL), also known as bentonite waterproof blanket pad, acupuncture consists of two layers of geotextile wrapped sodium bentonite particles from the blanket like impermeable material, waterproof principle to form a hydrogel colloidal particles of water swelling sodium bentonite, water sealing, with high resistance to hydrostatic pressure, the product uses mainly used in municipal, highway, railway, water conservancy, environmental protection and industrial construction and civil buildings in underground water seepage. Design engineering landfill, dedicated artificial lake, river channel dedicated the basement garage waterproof impermeable bentonite waterproof blanket. "China Resources geotextile" brand waterproof blanket quality uniform, permeability and strong, flexible, simple in construction, durable, environmental protection, unique permeability, for the uneven foundation settlement and prevent the loss of soil materials, cracks, etc. defects having a good ability to heal. Web width 2 --- 6m coil length of 10 --- 30 special customized according to customer requirements. Second, the a waterproof blanket main technical indicators: physical units of technical performance indicators of bentonite per unit area of ??content kg/m2 ≥ the 5.0 of bentonite swelling index ml/2g ≥ 24 thickness (mm) ≥ 6.0 Tensile strength N ≥ 600 peel strength N/100mm ≥ 40 blue smoke amount g/100g ≥ the 30 permeability coefficient m / s ≤ 5 × 10-12 maximum load elongation ≤ 10 filter loss ml ≤ 18 Hydrostatic Mpa 0.4Mpa, 1H no leakage the bentonite durability ml/2g ≥ 20