... Metal Mesh HockGrid® Mine Grid (Polyester Geogrid) 1000-1000kN/m is woven by high-tenacity, multifilament ... of HockGrid® Mine Grid (Polyester Geogrid) 1000-1000kN/mis applied to excavation of tunnel and ... gridPerformance of HockGrid® Mine Grid (Polyester Geogrid) 1000-1000kN/mAmong traditional methods, room-and-pillar or ... 80,100/80,120/120,200/200,300/300,400/400,600/400,800/800,1000/1000kN/m. Mesh size: ...