Use the single high pressure extrusion technology Thickness 1.0 ,¤0.1mm 1.5 ,¤0.1mm 1.8 ,¤0.1mm 2. 0 ,¤0.1mm 2.5 ,¤0.1mm 3.0,¤0.1mm Weight 1.9 ,¤1 kg/m2 2.8 ,¤0.1 kg/m2 3.4 ,¤0.1 kg/m2 3.8 ,¤0.1 kg/m2 4.8 ,¤0.1 kg/m2 5.8 ,¤0.1 kg/m2 Length 5800mm , 11800mm or customized Overall width 900 mm 1130 mm Varies with the profile type Effective width 840 mm 1050 mm Varies with the profile type Purlin spacing 700~900mm