... -resistant,antistatic 4.mining grid,mesh high strength fire resistant mine roof support geogrid,polyester mining grid 30-1000kN/m,mine ... grid Mining geogrids introduction:Geogrid is knitted by polymer yarns with high strength, high modulus ... self-ignite easily and reduce the self-ignition risks. Polyester Mine Grid,High Strength,Fire Retardant,Antistatic