Yingfan geosynthetic clay liner (GCL) is comprised of two geotextiles that are needle-punched together, encapsulating a layer of sodium bentonite clay between them. GCLs offer a long-lasting resistance to physical and chemical break-down in harsh environments. They have very low permeability. (Please note that the price is not stable due to raw material and exchange rate.) Product Features - Low permeability - High expansibility - Ease of installation - Self-heal punctures - Good hydraulic performance Usage Areas - Industrial & Municipal Landfill liners and caps - Oil depots and chemical pile yards - Canals, wetlands, and ponds - Building roof gardens - Highway and Civil - Man-made lakes - Mining&Tailing dams...and more Available Colors - White - Black - Upon request Standard Size - 3-6 m width - 10/20/30/40 m length(other lengths upon request) - 4000-6000g/sqm weight