Construction, Fireproof, Metallic, Wallpaper, Fireproof, Name: Prepainted galvanised steel, precoated steel, coil coated steel Thickness: 0. 20mm to 1. 0mm Thickness of the paint: 20um (top: 15 um, Bottom: 5 um) Color of the coil according to customer's needs, usually sky blue, grey, bright red, white. Inner diameter: 510mm Width: 800mm 1600mm Zinc: 80g 250g per square meter Application: Construction, solar water heater, household appliance, Water Heaters ...