... two layers.The facial layer is ESD layer;the other is conductive layer. durable ESD table mat Antistatic SurfaceSurface Resistance106~109ΩSizeThicknessAbrasive Static Potential ... working environment)7,thickness:2mm,3mm.8,width::600mm,900mm,1000mm,1200mm,1600mm,1800mm.9,length:10mm,20mm.Note:ESD rubber mat has two ...