1. Improved leakage performance 2. Permanent waterproof performance 3. Simple construction 4, Long lifespan Geosynthetic Clay Liner (GCL) Brief introduction: The upper layer is the nonwoven fabric, the middle layer is the impermeable sodium base bentonite, and the bottom layer is the woven fabric The nonwoven fabric of the upper is made by the bentonite granule linked with the bottom layer woven fabric through the special craft, the special equipments and the special methods

Technical data	GCL-NP
Unit area quality (g/ m2)	≥4000 and not less than the regulated value
Bentonite swell index (ml/2g)	≥24
Ethylene blue absorption (g/100g)	≥30
Tensile strength (n/100mm)	≥600
Tensile stretch under peak load (%)	≥10
Cracking strength The nonwoven and woven fabrics (N/100m) The PE films and nonwoven fabrics (N/100m)	≥ 40 --------
Permeability (m/s)	≤5.0×10-11
Anti-static water pressure	0.4Mpa, 1h
Filtration loss (ml)	≤ 18
Bentonite durable (ml/2g)	≥ 20

seal and impeable 4kg/m2.6mx25m GCL