... -25μm (bottome paint + top paint)9. Back side paint thickness: 5-10μmMechanical Properties1. Mechanical ... 3T(5). Impact: ≥9J(6). Salt Fog Resistant: ≥500h(7). Color difference: <3ΔEPackingApplication1. Construction: (Outside) workshop, agricultural warehouse, ... retailer booth, roller shutter door(Inside) door, doorcase, light steel roof structure, folding screen, ceiling, elevator, stairway, ...