supply of marker writing board (size width 4 ft x height 6 ft) purpose of writing board: writing, material ofboard: ceramic steel, material of frame: anodized extruded aluminium alloy hollow section, material of backcover: galvanized steel sheets, thickness and material: 11mm, thickness of back over: 0.25mm, top surfacecoating thickness of sheet in mm0.5mm, gloss at 60 deg.head(min):80 for white colour only, surface suitablefor writing with: dry marker ink for white board only, warranty in years: three years, dimensions of boards in (width 1200mm x height 1800mm) wall thickness of anodized aluminium frame (min) in mm: 1.2mm, colour ofboard: white, frame width in mm: 20 mm .
