... and construct, its conductivity and oversized mesh might cause a dangerous environment for miners to work in. Fire-retardent ... transport and construct, which would enhance the safety of mining area.Technical Specification of HockGrid® Mine Grid (Polyester Geogrid) Tensile strength ... width 15m-30m) Length: 50m,100m,200m,300m,360m Certificate of HockGrid® Mine Grid (Polyester Geogrid) CE,ISO9001,ASTM,BBA ...