1. aluminum alloy 2.Usage: Outdoor 3.Standard size: 1220*2440mm 4. 33 standard colors ,etc 5 ... 0.35,0.40,0.45,0.50PVDF 4mm 0.3,0.35,0.40,0.45,0.50 Special ... Thickness2mm,5mm, Colors 33 standard colorsAlso avaiable in custom, colors with mininum quantityCharacteristics: (a) Light weight and easy to process( ... strength(c) Super weather resistance(d) Excellent impact resistance 3-4mm aluminum composite